Variable N N* Mean SE Mean StDev Minimum Q1 Median Q3 Maximum n=1 1000 0 101.99 3.37 106.56 0.11 27.59 67.75 142.05 843.53 n=5 1000 0 100.10 1.40 44.42 14.48 66.11 94.30 123.91 274.72 n=10 1000 0 100.01 0.986 31.19 20.31 77.33 98.98 118.91 240.10 n=30 1000 0 100.29 0.571 18.07 53.27 87.52 98.84 112.38 168.62 n=100 1000 0 100.34 0.324 10.24 68.75 93.62 100.11 106.21 136.17 a) Describe in words, ∑X in context of the problem. Then state the distribution b) Calculate the interval for the middle 65% for the total amount of time spent on homework among the 144 students. Show calculator commands. Display units (Round to 3 d.p.) c) Calculate the probability that the total amount of time spent on homework among the 144 students is more than 14,300 minutes. Show calculator commands.
|
Variable |
N |
N* |
Mean |
SE Mean |
StDev |
Minimum |
Q1 |
Median |
Q3 |
Maximum |
|
n=1 |
1000 |
0 |
101.99 |
3.37 |
106.56 |
0.11 |
27.59 |
67.75 |
142.05 |
843.53 |
|
n=5 |
1000 |
0 |
100.10 |
1.40 |
44.42 |
14.48 |
66.11 |
94.30 |
123.91 |
274.72 |
|
n=10 |
1000 |
0 |
100.01 |
0.986 |
31.19 |
20.31 |
77.33 |
98.98 |
118.91 |
240.10 |
|
n=30 |
1000 |
0 |
100.29 |
0.571 |
18.07 |
53.27 |
87.52 |
98.84 |
112.38 |
168.62 |
|
n=100 |
1000 |
0 |
100.34 |
0.324 |
10.24 |
68.75 |
93.62 |
100.11 |
106.21 |
136.17 |
a) Describe in words, ∑X in context of the problem. Then state the distribution
b) Calculate the interval for the middle 65% for the total amount of time spent on homework among the 144 students. Show calculator commands. Display units (Round to 3 d.p.)
c) Calculate the probability that the total amount of time spent on homework among the 144 students is more than 14,300 minutes. Show calculator commands.
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