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Statistical Analysis Lesson 2

  • Date Submitted: 09/06/2016 12:19 AM
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Statistical Analysis Lesson 2
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Question 1 of 20
5.0 Points
Identify the class that has had the greatest percentage increase with respect to its initial percentage over the five decades.

  A. Fr
  B. So
  C. Jr
  D. Sr

Question 2 of 20
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 3 of 20
5.0 Points
Identify the utility that decreases as a percentage of the total utility bill from January to June.

  A. Electric
  B. Natural Gas
  C. Water
  D. None decrease from January to June.

Question 4 of 20
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 stem–and–leaf diagram below. The leaf unit is 0.1.

How many bottles had exactly 16 fluid ounces (to the nearest 0.1 ounce)?

  A. 0
  B. 6
  C. 11
  D. 25

Question 5 of 20
5.0 Points
Identify the class that has the greatest increase in 2.5 or better GPA’s over the five decades.

  A. Sr
  B. Jr
  C. So
  D. Fr

Question 6 of 20
5.0 Points
The table shows the price of a volatile stock from the months January 1999 through December 1999 as determined by the closing price on the last trading day of the month. The price is rounded to the nearest dollar.



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