1. A survey of 16 energy drinks noted the caffeine concentration of each drink in milligrams per ounce. The results are given below | 7.5 7.7 7.8 8.8 9.0 9.1 8.9 8.2 9.1 8.7 9.0 8.9 9.0 9.1 8.2 8.9 a. Solve for the mean, median and mode of the given data. b. Find the 53rd percentile and 85th percentile and interpret. c. Solve for the variance and standard deviation.

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.l 491 67%
Problem Set 3 - Saved
Problem Set 3
MatMod (Mathematics in the Modern World)
Due: October 1, 2020
1. A survey of 16 energy drinks noted the caffeine concentration of each drink in milligrams per
ounce. The results are given below
9.1
7.5
7.8
8.9
9.0
8.2
9.1
8.7
9.0
7.7
8.8
8.9
9.0
9.1
8.2
8.9
a. Solve for the mean, median and mode of the given data.
b. Find the 53rd percentile and 85th percentile and interpret.
c. Solve for the variance and standard deviation.
2. The resting heart rates of a group of healthy adult men were found to have a mean of 73.4
beats per minute, with a standard deviation of 5.9 beats per minute. What percent of these
men had a resting heart rate of
a. greater than 80 beats per minute?
b. between 78 and 89 beats per minute?
by vehicle fuel efficiency rating in miles per gallon (mpg).
MPG Rating
6| 5| 4 4 4
2
15
a. Find the equation of the regression line.
b. Graph the scatter plot and the regression line.
c. Compute for the linear correlation coefficient. Interpret.
...
이 :00
N ota
Transcribed Image Text:7:12 * .l 491 67% Problem Set 3 - Saved Problem Set 3 MatMod (Mathematics in the Modern World) Due: October 1, 2020 1. A survey of 16 energy drinks noted the caffeine concentration of each drink in milligrams per ounce. The results are given below 9.1 7.5 7.8 8.9 9.0 8.2 9.1 8.7 9.0 7.7 8.8 8.9 9.0 9.1 8.2 8.9 a. Solve for the mean, median and mode of the given data. b. Find the 53rd percentile and 85th percentile and interpret. c. Solve for the variance and standard deviation. 2. The resting heart rates of a group of healthy adult men were found to have a mean of 73.4 beats per minute, with a standard deviation of 5.9 beats per minute. What percent of these men had a resting heart rate of a. greater than 80 beats per minute? b. between 78 and 89 beats per minute? by vehicle fuel efficiency rating in miles per gallon (mpg). MPG Rating 6| 5| 4 4 4 2 15 a. Find the equation of the regression line. b. Graph the scatter plot and the regression line. c. Compute for the linear correlation coefficient. Interpret. ... 이 :00 N ota
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