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quiz 2

# quiz 2 - 1 Marks 1 For the following histogram do you...

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1 Marks: 1 For the following histogram, do you expect the difference between Q1 and Q2 to be Choose one answer. a. Larger than the difference between Q2 and Q3. b. Smaller than the difference between Q2 and Q3. c. Equal to the difference between Q2 and Q3. d. We need to see the actual data to answer this question Incorrect Marks for this submission: 0/1. (1765) 2 Marks: 1 Jenny works with Dr. Chang, who is a pediatrician at a children’s hospital. Dr. Change gives her the weight of 300 newborns whose mothers used recreational drugs during pregnancy and 500 newborns whose mothers did not use any recreational drugs during pregnancy. Dr. Chang wants Jenny to make a plot to show the weight of these two groups of infants. What plot should Jenny draw? Choose one answer. a. A back to back stem and leaf plot b. A segmented bar chart c. A side by side histogram d. A back to back bar chart e. A side by side boxplot Incorrect Marks for this submission: 0/1. (2469) 3 Marks: 1 Given the following data for a random sample of 1000 adult American: Highest degree earned (less than high school, high school, two year college, four year college, higher)

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yearly income in dollars What would be the best way to display the above data? Choose one answer. a. Make a segmented bar chart for highest degree earned and a contingency table for income. b. Draw a bar chart of highest degree earned and a histogram of yearly income. c. Make a contigency table for highest degree earned and a scatterplot of yearly income. d. Make a segmented bar chart of highest degree earned and a scatterplot of yearly income. Incorrect Marks for this submission: 0/1. (2468) 4 Marks: 1 Given the following variables: age income gender political affiliation (democrat, repulican, independent) number of words a person can type per minute What would be the best method for studying the relationship between gender and political affiliation and the relationship between age and income? Choose one answer.
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quiz 2 - 1 Marks 1 For the following histogram do you...

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