To be Submitted A random sample of 100 high school students in CT is taken. The dataset is in the file Backpack.xls. Do not print out the data file! 1. Find and label the mean, standard deviation, median, minimum and maximum of the variable Backpack weight. 2. Find and label the sample proportion of Backpack weights that are between 10 and 20 pounds (include the endpoints). 3. Find and interpret a 95% confidence interval for the mean Backpack weight for all CT high school students. 4. Report the error bound. 5. Find and interpret a 95% confidence interval for the proportion of all CT high school Backpack weights that are between 10 and 20 pounds. 6. Report the error bound. 7. A researcher claims that the mean weight for all CT high school back pack weights is more than 12 pounds. Using your answer to #3, comment on this claim and justify.
To be Submitted A random sample of 100 high school students in CT is taken. The dataset is in the file Backpack.xls. Do not print out the data file! 1. Find and label the mean, standard deviation, median, minimum and maximum of the variable Backpack weight. 2. Find and label the sample proportion of Backpack weights that are between 10 and 20 pounds (include the endpoints). 3. Find and interpret a 95% confidence interval for the mean Backpack weight for all CT high school students. 4. Report the error bound. 5. Find and interpret a 95% confidence interval for the proportion of all CT high school Backpack weights that are between 10 and 20 pounds. 6. Report the error bound. 7. A researcher claims that the mean weight for all CT high school back pack weights is more than 12 pounds. Using your answer to #3, comment on this claim and justify.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section: Chapter Questions
Problem 25SGR
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Question 4-10!
Here's the dataset:
BackpackWeight | BodyWeight | Ratio | BackProblems | Major | Year | Sex | Status | Units |
9 | 125 | 0.072 | 1 | Bio | 3 | Female | U | 13 |
8 | 195 | 0.0410256 | 0 | Philosophy | 5 | Male | U | 12 |
10 | 120 | 0.0833333 | 1 | GRC | 4 | Female | U | 14 |
6 | 155 | 0.0387097 | 0 | CSC | 6 | Male | G | 0 |
8 | 180 | 0.0444444 | 0 | EE | 2 | Female | U | 14 |
5 | 240 | 0.0208333 | 0 | History | 0 | Male | G | 0 |
8 | 170 | 0.0470588 | 0 | CM | 3 | Male | U | 15 |
4 | 185 | 0.0216216 | 1 | ARCE | 5 | Female | U | 18 |
5 | 130 | 0.0384615 | 0 | Bio | 4 | Female | U | 14 |
2 | 120 | 0.0166667 | 0 | Bio | 5 | Female | U | 8 |
8 | 135 | 0.0592593 | 0 | Bus | 3 | Female | U | 15 |
21 | 160 | 0.13125 | 0 | ME | 5 | Male | U | 12 |
11 | 170 | 0.0647059 | 0 | CPE | 4 | Male | U | 16 |
11 | 170 | 0.0647059 | 1 | CPE | 4 | Male | U | 16 |
12 | 125 | 0.096 | 1 | CS | 3 | Female | U | 12 |
11 | 175 | 0.0628571 | 0 | CPE | 4 | Male | U | 16 |
13 | 145 | 0.0896552 | 1 | Bio | 4 | Female | U | 16 |
6 | 105 | 0.0571429 | 0 | LS | 3 | Female | U | 16 |
10 | 125 | 0.08 | 1 | LS | 3 | Female | U | 17 |
5 | 165 | 0.030303 | 0 | Bio | 3 | Male | U | 14 |
20 | 170 | 0.117647 | 0 | CSC | 2 | Male | U | 16 |
14 | 117 | 0.119658 | 1 | EE | 2 | Female | U | 12 |
11 | 145 | 0.0758621 | 0 | CE | 5 | Male | U | 14 |
15 | 205 | 0.0731707 | 0 | Bio | 5 | Female | U | 12 |
10 | 270 | 0.037037 | 0 | AGB | 3 | Male | U | 12 |
18 | 160 | 0.1125 | 1 | Mate | 1 | Male | U | 13 |
8 | 150 | 0.0533333 | 0 | AGB | 4 | Male | U | 16 |
5 | 140 | 0.0357143 | 0 | Poli Sci | 2 | Female | U | 16 |
25 | 190 | 0.131579 | 0 | Aero Eng. | 2 | Male | U | 14 |
6 | 165 | 0.0363636 | 1 | Soc. Sci. | 1 | Female | U | 15 |
10 | 145 | 0.0689655 | 1 | GRC | 1 | Female | U | 14 |
15 | 120 | 0.125 | 1 | MLL | 3 | Female | U | 16 |
9 | 135 | 0.0666667 | 0 | LS | 6 | Female | G | 14 |
7 | 145 | 0.0482759 | 0 | CPE | 6 | Male | U | 11 |
14 | 165 | 0.0848485 | 1 | Math | 5 | Female | U | 12 |
17 | 145 | 0.117241 | 0 | Psych | 4 | Female | U | 13 |
14 | 140 | 0.1 | 0 | ARCE | 2 | Female | U | 15 |
11 | 160 | 0.06875 | 0 | EE | 4 | Male | U | 15 |
4 | 155 | 0.0258065 | 0 | IT | 3 | Male | U | 16 |
8 | 143 | 0.0559441 | 0 | Psy | 2 | Female | U | 17 |
8 | 145 | 0.0551724 | 1 | AGB | 4 | Female | U | 16 |
13 | 135 | 0.0962963 | 1 | SOCS | 3 | Female | U | 16 |
10 | 130 | 0.0769231 | 0 | Nut. | 3 | Female | U | 16 |
15 | 165 | 0.0909091 | 1 | Math | 4 | Female | U | 12 |
10 | 140 | 0.0714286 | 0 | LS | 1 | Female | U | 14 |
5 | 115 | 0.0434783 | 0 | Soc. Sci. | 1 | Female | U | 13 |
6 | 128 | 0.046875 | 0 | Bus | 1 | Female | U | 14 |
5 | 150 | 0.0333333 | 0 | SPC | 2 | Female | U | 14 |
13 | 220 | 0.0590909 | 0 | CE | 2 | Male | U | 13 |
10 | 150 | 0.0666667 | 0 | CD | 3 | Female | U | 16 |
19 | 170 | 0.111765 | 0 | ME | 5 | Male | U | 12 |
8 | 155 | 0.0516129 | 0 | Econ | 2 | Male | U | 12 |
21 | 116 | 0.181034 | 0 | Vocal Music | 4 | Female | U | 16 |
16 | 190 | 0.0842105 | 0 | Bus | 2 | Male | U | 14 |
13 | 145 | 0.0896552 | 0 | Bio | 4 | Female | U | 16 |
17 | 144 | 0.118056 | 1 | Bio | 2 | Female | U | 13 |
10 | 130 | 0.0769231 | 0 | Kine | 2 | Female | U | 15 |
5 | 185 | 0.027027 | 1 | Psych | 4 | Male | U | 15 |
9 | 140 | 0.0642857 | 0 | Kine | 3 | Female | U | 16 |
13 | 125 | 0.104 | 0 | Math | 2 | Female | U | 17 |
10 | 175 | 0.0571429 | 0 | Act. | 2 | Male | U | 19 |
10 | 150 | 0.0666667 | 0 | Nutrition | 4 | Female | U | 12 |
11 | 180 | 0.0611111 | 1 | Kine | 4 | Male | U | 18 |
8 | 140 | 0.0571429 | 1 | Poli Sci | 3 | Female | U | 12 |
12 | 220 | 0.0545455 | 0 | EE | 1 | Male | U | 14 |
35 | 195 | 0.179487 | 0 | Aero | 5 | Male | U | 12 |
12 | 127 | 0.0944882 | 1 | Phys | 5 | Female | U | 16 |
14 | 150 | 0.0933333 | 0 | Kine | 3 | Female | U | 16 |
2 | 125 | 0.016 | 0 | IT | 5 | Male | U | 15 |
5 | 125 | 0.04 | 1 | ARCE | 2 | Female | U | 16 |
6 | 180 | 0.0333333 | 0 | ME | 4 | Male | U | 15 |
20 | 180 | 0.111111 | 1 | CPE | 1 | Male | U | 13 |
14 | 150 | 0.0933333 | 0 | Aero | 2 | Male | U | 14 |
14 | 125 | 0.112 | 0 | Pols | 2 | Female | U | 17 |
8 | 160 | 0.05 | 0 | ME | 2 | Male | U | 13 |
25 | 144 | 0.173611 | 0 | LS | 3 | Female | U | 17 |
2 | 105 | 0.0190476 | 0 | IE | 6 | Female | U | 15 |
8 | 125 | 0.064 | 1 | Pols | 5 | Female | U | 16 |
15 | 130 | 0.115385 | 1 | Bus | 3 | Female | U | 16 |
10 | 120 | 0.0833333 | 0 | AGB | 4 | Female | U | 16 |
25 | 175 | 0.142857 | 1 | CE | 4 | Female | U | 15 |
24 | 145 | 0.165517 | 1 | Bus | 3 | Female | U | 16 |
5 | 115 | 0.0434783 | 1 | ME | 3 | Female | U | 14 |
10 | 110 | 0.0909091 | 0 | CE | 2 | Female | U | 16 |
19 | 130 | 0.146154 | 1 | LS | 5 | Female | U | 16 |
13 | 135 | 0.0962963 | 0 | LS | 4 | Female | U | 16 |
9 | 128 | 0.0703125 | 0 | Aero | 1 | Female | U | 16 |
14 | 135 | 0.103704 | 0 | ARCE | 4 | Male | U | 13 |
20 | 170 | 0.117647 | 1 | Bus | 3 | Male | U | 18 |
16 | 175 | 0.0914286 | 0 | Bio | 3 | Male | U | 12 |
18 | 150 | 0.12 | 0 | IT | 6 | Male | U | 17 |
18 | 160 | 0.1125 | 1 | MFGE | 3 | Male | U | 13 |
11 | 168 | 0.0654762 | 1 | Bus | 3 | Male | U | 16 |
13 | 155 | 0.083871 | 0 | Psy | 4 | Male | U | 14 |
15 | 210 | 0.0714286 | 0 | Arch | 3 | Male | U | 17 |
14 | 165 | 0.0848485 | 0 | ME | 3 | Male | U | 11 |
6 | 195 | 0.0307692 | 0 | APIO | 1 | Male | U | 16 |
11 | 130 | 0.0846154 | 0 | Bus | 1 | Male | U | 12 |
9 | 140 | 0.0642857 | 0 | AERO | 3 | Male | U | 12 |
15 | 170 | 0.0882353 | 0 | History | 5 | Male | U | 14 |
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