Ragava International Statistical Institute - Global Healthcare Training

1.) Conclusions in a statistical study are generalized to the

Subject

Sample

Mean

Population

2.) In developing a performance improvement action plan, which of the following tools should be used first?

Control chart

Cause and effect diagram

Interrelationship diagram

Pareto chart

3.) When a case manager wants to demonstrate length of stay data that depicts both common cause and special cause variation, which of the following should be used?

Pareto chart

Scatter plot

Shewhart chart

Frequency plot

4.) Prior to plotting a line graph, a healthcare quality professional should first

Calculate the mean

Define the axis measurements

Identify the parameters

Develop a legend

5.) Which of the following are measures of central tendency?

Mean, median, and mode

Standard deviation, variance and standard error

Grouped data, bell curve and distribution

Correlation, regression and t-test

6.) Sample include all available data in the area

Quota

Convenience

Stratified random

Purposive

7.) The probability that each step in a process will occur as it needs to occur is known as

Predictability

Reliability

Dependability

Consistency

8.) Advantages of probability samples includes:

Depends on experts opinion

Convenience, speed, lower cost

Possible sources of bias removed

Selection will be based on desired characteristics

9.) Record of every fifth patient undergoing cardiovascular bypass?

Convenience

Systematic

Stratified

Simple random

10.) Measuring central tendency is using mean and

Mode, standard deviation

Mode, median

Only median

Only mode

11.) The result of the customer survey,the mean score was calculated with each item. Weight was applied to range each item in order to importance to the customer which of the following the highest weighted mean score:

Mean 3 and weight 0.9

Mean 4 and weight 0.8

Mean 5 and weight 0.7

Mean 6 and weight 0.6

12.) Data gathering method includes all of the following except:

Measurement

Observation

Correlation

Interviewing

13.) Median of 1,1,1,1,1,2,5,7,8,9

1

1.5

2.5

18

14.) Released reports revealed that appendectomy rate is 50% of new admissions to a male surgical ward. What else is needed to interpret this report

Sample size

Ethnicity of patients under study

Sources of data

Number of days within the study period

15.) Upper control limit & lower control limit is

Derived from special cause variation

Actual process measure

Aaa

aaa

16.) A valid data collection should incorporate

A reliable graphic presentation

The definition of data elements

A minimum of 20 data elements

Allowance of variance of interpretation

17.) Rate of cesarean section over 5 years best display

Bar chart

Control chart

Pareto

Fishbone

18.) To avoid misinterpreted variances you have to use:

Control chart

Fishbone

Force filed analysis

Pareto

19.) Which tool or measures or show summary of characteristics about population

Frequency distribution

Central tendency measures

Flow charts

Cause and effect charts

20.) Example of central tendency

Mode and Standard deviation

Median and Mode and Mean

Mean & Rate

Mean & median

21.) 50th percentile of data

Average of data

Standard deviation

Median

Mode

22.) Customer gives score to the criteria, what is the highest weight mean score: Exam Score mean- score weight

3- 0.9

4 0.8

5 0.7

6 0.3

23.) An outpatient clinic assess medication side effect for children with the following age: 1,1,1,1,1,2,2,3,4,5, the median age is

1

1.5

2

2.5

24.) Positive correlation appears as:

Points in a circular shape in the graph

Points in triangular shape

Increase in x-axis with an increasing in y-axis

Increase in x-axis with a decreasing in y-axis

25.) Group of patient to draw sample that everyone in the population will has an equal chance to be represented is

Random sample

Stratification

Cluster

Quota

26.) Which of the following true concerning definition of standard deviation

Difference between measured value and true value

Difference between upper and lower control limit

Standard distribution

Lowest and highest value

27.) Standard deviation is most useful in determining the

Difference between the hypothesized value and actual value

Difference between the highest and lowest observed values

Probability that a second event will occur

Variability of score in a distribution

28.) The .best tool to begin investigate causes of laboratory labelling errors

Histogram

Flowchart

Affinity diagram

Prioritization matrix

29.) Data.. gathering method includes all of the following except.

Measurement

Observation

Correlation

Interviewing

30.) T-test..

Difference between sample size variance

Difference between occurrence of variables

Difference between effect of two treatments

Significance of treatment

31.) Circular shape of data on scatter diagram indicate:

Positive linear relationship

Negative linear relationship

No relationship between the two variables

All of the above

32.) Data over time best demonstrated in :

Line (or Run chart better or Control chart best)

Pie

Scatter diagram

Histogram

33.) Once statistical control is established, the next step in continuous quality improvement is to

Slowly increase the rate of control monitoring

Rapidly increase the rate of control monitoring

Eliminate the need for rework

Improve the process by reducing variation

34.) Stratified sample:

Geographical cluster

Classification population according trait

nth sample

None

35.) The stratified random sample is

Random sampling after dividing the population into groups

Portions of the population

Choosing subjects fulfil the criteria

Sampling randomly

36.) What is the definition of median:

Average of data

Frequent data

50th percentile of data

None

37.) You are preparing a report to present to the public health council on the declining rates of gonorrhea in your state in both men and women over the last 10 years. Which type of graph would best illustrate the data?

Bar chart

Histogram

Pie chart

Line graph

38.) Using the 80/20 rule, 80% of the organization problems are issues related to:

Education

Performance

Staffing

Systems

39.) To obtain (direct contact) and immediate feedback from customer:

Focus group

Computer survey

Questionnaire

Feedbcak

40.) For..variance interpretation the most suitable tool;

Bar graph

Control chart

Pareto chart

Histogram

41.) Compared data:

Bar graph

Control chart

Pareto chart

Histogram

42.) To collect qualitative data;

Focus group

Score questionnaire

Survey

None

43.) An outbreak of measles in a school district resulted in 58 cases over a period of 5 months. Which of the following data display best illustrate the monthly occurrence of measles?

Histogram

Scatter diagram

Gantt

Pie chart

44.) Frequency distribution can best be display through:

Pareto

Histogram

Bar

Line graph

45.) Once statistical control is established, the next step in continuous quality improvement is to:

Slowly increase the rate of control monitoring

Rapidly increase the rate of control monitoring

Eliminate the need for rework

Improve the process by reducing variation

46.) Which of the following quality tools is also a bar or column chart?

Control chart

Inshikawa diagram

Pareto diagram

Scatter diagram

47.) Which tool to determine root cause of VARIATION

Ishekawa

Histogram

Scatter diagram

Shewart

48.) Which of the following may be considered examples of discrete variables?

Height and weight

Community acquired and nosocomial infection rates

Surgical or emergency department response time

Patient visits in the months of May and June

49.) The method of ordering data by listing all possible values, and all individuals receiving each value, is called

The range

The standard deviation

A simple frequency distribution

A grouped frequency distribution

50.) When data has a range of values between the lowest and highest that is wide, but you want to rank-order them, it is best to use a

Line graph

Simple frequency distribution

Grouped frequency distribution

Cumulative frequency distribution

HDA_Part 2

1.) Conclusions in a statistical study are generalized to the

2.) In developing a performance improvement action plan, which of the following tools should be used first?

3.) When a case manager wants to demonstrate length of stay data that depicts both common cause and special cause variation, which of the following should be used?

4.) Prior to plotting a line graph, a healthcare quality professional should first

5.) Which of the following are measures of central tendency?

6.) Sample include all available data in the area

7.) The probability that each step in a process will occur as it needs to occur is known as

8.) Advantages of probability samples includes:

9.) Record of every fifth patient undergoing cardiovascular bypass?

10.) Measuring central tendency is using mean and

11.) The result of the customer survey,the mean score was calculated with each item. Weight was applied to range each item in order to importance to the customer which of the following the highest weighted mean score:

12.) Data gathering method includes all of the following except:

13.) Median of 1,1,1,1,1,2,5,7,8,9

14.) Released reports revealed that appendectomy rate is 50% of new admissions to a male surgical ward. What else is needed to interpret this report

15.) Upper control limit & lower control limit is

16.) A valid data collection should incorporate

17.) Rate of cesarean section over 5 years best display

18.) To avoid misinterpreted variances you have to use:

19.) Which tool or measures or show summary of characteristics about population

20.) Example of central tendency

21.) 50th percentile of data

22.) Customer gives score to the criteria, what is the highest weight mean score: Exam Score mean- score weight

23.) An outpatient clinic assess medication side effect for children with the following age: 1,1,1,1,1,2,2,3,4,5, the median age is

24.) Positive correlation appears as:

25.) Group of patient to draw sample that everyone in the population will has an equal chance to be represented is

26.) Which of the following true concerning definition of standard deviation

27.) Standard deviation is most useful in determining the

28.) The .best tool to begin investigate causes of laboratory labelling errors

29.) Data.. gathering method includes all of the following except.

30.) T-test..

31.) Circular shape of data on scatter diagram indicate:

32.) Data over time best demonstrated in :

33.) Once statistical control is established, the next step in continuous quality improvement is to

34.) Stratified sample:

35.) The stratified random sample is

36.) What is the definition of median:

37.) You are preparing a report to present to the public health council on the declining rates of gonorrhea in your state in both men and women over the last 10 years. Which type of graph would best illustrate the data?

38.) Using the 80/20 rule, 80% of the organization problems are issues related to:

39.) To obtain (direct contact) and immediate feedback from customer:

40.) For..variance interpretation the most suitable tool;

41.) Compared data:

42.) To collect qualitative data;

43.) An outbreak of measles in a school district resulted in 58 cases over a period of 5 months. Which of the following data display best illustrate the monthly occurrence of measles?

44.) Frequency distribution can best be display through:

45.) Once statistical control is established, the next step in continuous quality improvement is to:

46.) Which of the following quality tools is also a bar or column chart?

47.) Which tool to determine root cause of VARIATION

48.) Which of the following may be considered examples of discrete variables?

49.) The method of ordering data by listing all possible values, and all individuals receiving each value, is called

50.) When data has a range of values between the lowest and highest that is wide, but you want to rank-order them, it is best to use a