What would be a reasonable estimate for the 99th percentile?
A) Between 23.2 and 26.3
B) Between 26.3 and 29.4
C) Between 29.4 and 32.5
D) Greater than 32.5
Q. 2Which of the following statements is false?
A) A Pareto diagram is a bar graph with the bars arranged from the most numerous categories to the least numerous categories.
B) A Pareto diagram includes a line graph displaying the cumulative percentages and counts for the bars.
C) A Pareto diagram of types of defects will show the ones that have the greatest effect on the defective rate in order of effect. It is then easy to see which defects should be targeted in order to most effectively lower the defective rate.
D) A Pareto diagram shows the most frequent bars on the right.
Q. 3Gender and state of birth are examples of which type of data?
A) discrete
B) continuous
C) categorical
D) ordinal
Q. 4What would be a reasonable estimate for the 75th percentile?
A) Between 23.2 and 26.3
B) Between 26.3 and 29.4
C) Between 29.4 and 32.5
D) Greater than 32.5
Q. 5A summary measure that is computed from a sample to describe a characteristic of the population is known as a(n):
A) parameter.
B) statistic.
C) population.
D) inferential statistic.
Q. 6Suppose that you are also told that the median for these data was 19.3. Which of the following statements is true about the shape of the distribution?
A) It is skewed to the right.
B) It is skewed to the left.
C) It is approximately symmetric.
D) Cannot be determined without more information
Q. 7Numerical variables can be subdivided into two types. What are they?
A) diverse and categorical
B) discrete and continuous
C) nominal and progressive
D) cross-sectional and discrete
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