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Consider the following chart. Which of the following statements is most correct?

SCENARIO 2-5The following are the duration in minutes of a sample of long-distance phone calls made within the continental United States reported by one long-distance carrier.RelativeTime (in Minutes)Frequency0 but less than 50.375 but less than 100.2210 but less than 150.1515 but less than 200.1020 but less than 250.0725 but less than 300.0730 or more0.02Referring to Scenario 2-5, what is the cumulative relative frequency for the percentage of calls that lasted under 20 minutes?

Suppose you have data on hourly wages for a sample of 1000 individuals. You construct the histogram below What is the shape of the wage distribution ?

Consider the following data set:Variable 1:      6        7        2         1Variable 2:    -12     -14    -4    -2The sample covariance for this data set is __________. Use one decimal point.

Answer the question True or False.The scatterplot below shows a negative relationship between two variables.

SCENARIO 3-1Health care issues are receiving much attention in both academic and political arenas. A sociologist recently conducted a survey of citizens over 60 years of age whose net worth is too high to qualify for Medicaid. The ages of 25 senior citizens were as follows: 60 61 62 63 64 65 66 68 68 69 70 73 73 74 75 76 76 81 81 82 86 87 89 90 92 Referring to Scenario 3-1, calculate the arithmetic mean age of the senior citizens to the nearest hundredth of a year.

Answer Question 1 on your handwritten question sheet. We’ll add your points and feedback here when grading your written response. You do not need to write anything here, and we will not grade anything you write here.

Which one of these behaviors does NOT increase a child’s risk of obesity?  

At which location would you expect the greatest seasonal temperature difference?

Discuss the Domino’s case study video from a marketing perspective. Strong answers will mention numerous specific topics discussed in the video and should be in an essay format.