Calculate a 99% CI on the standard deviation of teacher height guesses.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 26PFA
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Calculate a 99% CI on the standard deviation of teacher height guesses.

TEACHER HEIGHT
MTH 243 and 244 students were asked to guess the age of their instructor in Winter 2020.
Your Histogram
35-
32
Mean
48.65984
29
30 -
Standard Deviation (s)
6.05084
25-
22
Skewness
0.13678
20 -
Kurtosis
0.23196
15 -
13
Lowest Score
31
10 -
Highest Score
64
5
1
2
Distribution Range
33
0+
Total Number of Scores
122
30 33.6 37.2 40.8 44.4 48 51.6 55.2 58.8 62.4 66
Histogram (Frequency Diagram)
A. Does it appear from the histogram that the requirement for a confidence interval on the standard
deviation is met? If so, what is it?
Calculate a 99% CI on the standard deviation of teacher height guesses.
B. Degrees of Freedom =
C. Left Critical Value =
D. Right Critical Value =
Show work here...
E. Interval for Variance:
F. Interval for Standard Deviation: (_
Frequency
Transcribed Image Text:TEACHER HEIGHT MTH 243 and 244 students were asked to guess the age of their instructor in Winter 2020. Your Histogram 35- 32 Mean 48.65984 29 30 - Standard Deviation (s) 6.05084 25- 22 Skewness 0.13678 20 - Kurtosis 0.23196 15 - 13 Lowest Score 31 10 - Highest Score 64 5 1 2 Distribution Range 33 0+ Total Number of Scores 122 30 33.6 37.2 40.8 44.4 48 51.6 55.2 58.8 62.4 66 Histogram (Frequency Diagram) A. Does it appear from the histogram that the requirement for a confidence interval on the standard deviation is met? If so, what is it? Calculate a 99% CI on the standard deviation of teacher height guesses. B. Degrees of Freedom = C. Left Critical Value = D. Right Critical Value = Show work here... E. Interval for Variance: F. Interval for Standard Deviation: (_ Frequency
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