Question 11 of 20
0.0/ 5.0 Points
A nurse measured the blood pressure of each person who visited her clinic. Following is a
relative–frequency histogram for the systolic blood pressure readings for those people aged
between 25 and 40. Use the histogram to answer the question. The blood pressure readings were
rounded down to the next whole number.
Given that 600 people were aged between 25 and 40, approximately how many had a systolic
blood pressure reading recorded as between 120 and 149 inclusive?
A. 48%
B. 250
C. 288

D. 300
Question 12 of 20
5.0/ 5.0 Points
The time series line chart below shows the prices of a volatile stock from January 1999 to
December 1999. Between which two consecutive months did the price of the stock drop by the
greatest percentage?

Question 13 of 20
5.0/ 5.0 Points
The table shows the end–of–the–month checking account balance of a statistics teacher for the
months January 1999 through December 1999 as determined by the closing balance on the last

banking day of the month. The balance is rounded to the nearest dollar.

Question 14 of 20
5.0/ 5.0 Points
A machine is supposed to fill juice bottles with 16 fluid ounces of juice. The manufacturer picks

a sample of bottles that have been filled by the machine and determines the volume of juice in
each bottle. The results are shown in the following stem–and–leaf diagram. The leaf unit is 0.1.
How many bottles were sampled?