Mathematics, 19.02.2020 04:23 peggycab4201
A student wonders if people of similar heights tend to date each other. She measures herself, her dormitory roommate, and the women in the adjoining rooms; then she measures the next man each woman dates. Here are the data (heights in inches).
Women 66 64 66 65 70 65
Men 72 68 70 68 74 69
Which of the following statements is true?
A. The variables measured are all categorical.
B. There is a strong positive correlation between the heights of men and women since the women are always smaller than the men they date.
C. There is a positive correlation between the heights of men and women.
D. Correlation makes no sense here since gender is a categorical variable.
Answers: 1
Mathematics, 21.06.2019 14:10, hockejoh000
You invested $5000 between two accounts paying 4% and 9% annual interest, respectively. if the total interest earned for theyear was $350, how much was invested at each rate? $was invested at 4% andwas invested at 9%.
Answers: 3
Mathematics, 21.06.2019 17:10, payshencec21
The number of chocolate chips in an 18-ounce bag of chocolate chip cookies is approximately normally distributed with a mean of 1252 chips and standard deviation 129 chips. (a) what is the probability that a randomly selected bag contains between 1100 and 1500 chocolate chips, inclusive? (b) what is the probability that a randomly selected bag contains fewer than 1125 chocolate chips? (c) what proportion of bags contains more than 1225 chocolate chips? (d) what is the percentile rank of a bag that contains 1425 chocolate chips?
Answers: 1
A student wonders if people of similar heights tend to date each other. She measures herself, her do...
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