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For Ryan: Question 10 For the given table, make a histogram,
Resolved Question:
For Ryan:
Question 10
For the given table, make a histogram, then find how many subjects are in the class interval from 912. There are 250 total subjects.
Educational Level(in Years) Frequency Percent
05 15 6
58 25 10
89 35 14
912 _____ 18
1213 75 30
1316 30 ______
1617 25 10
Answer
75
45
47
35
Question 11
For the histogram that could be created relative to the table in #10, find the height of the block over 1316.
Answer
a.
4
b.
0.03
c.
8
d.
3.33
Question 12
For the histogram that could be created relative to the table in #10, find the 23rd percentile.
Answer
a.
12
b.
8.5
c.
8
d.
5
Question 13
For the histogram that could be created relative to the table in #10, which of the following intervals is the most crowded?
Answer
a.
1213
b.
912
c.
1316
d.
89
Question 14
For the given list, find the outlier(s): 6, 58, 100, 56, 52, 49, 58, 65, 58, 59
Answer
a.
there are none
b.
100
c.
59
d.
6
e.
6, 100
Question 15
Find the average for: 8, 9, 14, 5, 26, 18, 4
Answer
a.
2
b.
3
c.
14
d.
3.5
e.
12
Question 16
For the given set of numbers, find the Standard deviation: 57.9, 78, 96, 0, 14, 15, 3.
Answer
a.
12.8
b.
43.07
c.
39.88
d.
24.8
e.
33.7
Question 17
For the given list, find the median: 188, 98, 41, 0, 68, 143, 193, 169.
Answer
a.
115
b.
120.5
c.
112.5
d.
4.5
e.
34
Question 18
Bias is a kind of chance error.
Answer
a.
True
b.
False
Question 19
Bias in measurement theory is called ____________.
Answer
a.
chance error
b.
systematic error
c.
sampling error
Question 20
For a histogram with a long lefthand tail, the median is _______________ than the mean.
Answer
a.
greater
b.
less
c.
the same as
Question 21
Bias can be measured by taking the SD of repeated measurements.
Answer
a.
False
b.
True
Question 22
Find the area under the Normal Curve from 2.5 to 1.1.
Answer
a.
25.89%
b.
82.85%
c.
72.87%
d.
98.76%
e.
12.95%
Question 23
For the women age 1824 in the HANES2 sample, the average height was about 65.2 inches, and the SD was about 1.9 inches. Estimate the percentage of women with heights above 65 inches.
Answer
a.
92.03%
b.
53.99%
c.
7.97%
d.
46.02%
e.
68.27%
Question 24
The average of a data set is 5 and the SD of the same data set is 1. If I multiply each data point by 3 and then subtract 2 from each data point, what will the new average and SD be?
Answer
a.
Avg=13
SD=3
b.
avg=17
SD=17
c.
avg=3
SD=1
d.
avg=15
SD=13
e.
avg=13
SD=3
Question 25
Sixteen people in a room have an average height of 5'6". A seventeenth person enters the room. How tall would he have to be to raise the average height by one inch?
Answer
a.
6'5"
b.
6'1"
c.
5'8"
d.
6'2"
e.
6"11"
Submitted:
3 years ago.
Category:
Calculus and Above
Share this conversation
Expert:
Ryan
replied 3 years ago.
Hi,
I'll get started on these immediately and will post the solutions as soon as possible.
Thanks,
Ryan
Ask Your Own Calculus and Above Question
Customer:
replied 3 years ago.
thanks
Expert:
Ryan
replied 3 years ago.
Hi,
I may find other issues later, but for now can you please check the answer choices for #11 and #12? Is there any possibility that the answer sets got switched around? The answer that I need for #11 is not present in the accompanying choices, but it is in the answers available for #12.
Thanks,
Ryan
Ask Your Own Calculus and Above Question
Customer:
replied 3 years ago.
This is how # XXXXX and 12 appear on the questions:
Question 11
For the histogram that could be created relative to the table in #10, find the height of the block over 1316.
Answer
a.
4
b.
0.03
c.
8
d.
3.33
Question 12
For the histogram that could be created relative to the table in #10, find the 23rd percentile.
Answer
a.
12
b.
8.5
c.
8
d.
5
Expert:
Ryan
replied 3 years ago.
Hi,
Here are the solutions:
10. B. 45
11. I don't have the definitive answer for this one. None of the answer choices are particularly good, and the height of a bar on a histogram is rather arbitrary anyway. If I had to select one, I would go with
A. 4
, as it is the least objectionable in my opinion.
12. B. 8.5
13. A. 1213
14. E. 6, 100
15. A. 2
16. C. 39.88
17. B. 120.5
18. B. False
19. B. systematic error
20. A. greater
21. A. False
22. The actual value should be 85.91%. Answer B is the closest.
23. The answer that I got was 54.19%. Answer B is the closest.
24. E. Avg = 13, SD = 3
25. E. 6' 11"
Thanks,
Ryan
Ryan, Engineer
Category:
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