Question

the data set represents wait times (in minutes) for various services at a states department of motor vehicles locations. which wait time represents the 50th percentile? how would you interpret this?

16 4 19 3 19 26 5 3 4 7 6 10 9 10 20 18
3 20 10 13 14 11 14 17 4 27 4 8 4 3 26 18
21 1 3 3 5 5 6 10 1 22 23 10 6 7 2 1

which wait time represents the 50th percentile?
9 minutes
(type a whole number.)

how would you interpret this?

a. at least 50% of wait times are greater than this wait time.
b. about 50% of wait times are less than this wait time.
c. this is the mode of the wait times.
d. this is the mean of the wait times.

Explanation:

Sort the dataset

Using the Percentiles and Quantiles and Median Calculation knowledge points

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Find the 50th percentile

Using the Percentiles and Quantiles and Median Calculation knowledge points

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Interpret the 50th percentile

The 50th percentile represents the value below which approximately 50% of the observations fall. Therefore, about 50% of the wait times are less than this wait time.

Answer:

Question 1

9

Question 2

• A. At least 50% of wait times are greater than this wait time.
• B. About 50% of wait times are less than this wait time. (Correct answer)
• C. This is the mode of the wait times.
• D. This is the mean of the wait times.