Question
In: Math
Choose the most appropriate statistic for measuring spread for the following data sets. a.) A medical...
Choose the most appropriate statistic for measuring spread for the following data sets.
a.) A medical survey asks for patients' body fat percentages. Most people in the study had body fat percentages in the 20's, while a few had body fat percentages over 40. Which is the best measure of the spread of body fat percentages?
range, proportion, standard deviation, IQR, median, or mean
b.) The same survey also asks for patients' heights. Which is the best measure of the spread of height?
range, proportion, standard deviation, IQR, median, or mean
Solutions
milcah answered 1 year agoRelated Solutions
There are 2 data sets below, choose which statistic to use and conduct your analysis ....
There are 2 data sets below, choose which statistic to use and
conduct your analysis . This is
completely up to you but note that your data will dictate what test
you will run (see the book for examples and then compare to the
examples below). Be creative and thorough in your analysis. I will
expect 2 write-ups for both data sets.
Note: You will again need to use the tables in the back of the
book to determine significance....
For each of the following sets of results, compute the appropriate test statistic, test the indicated...
For each of the following sets of results, compute the
appropriate test statistic, test the indicated alternative
hypothesis, and compute the effects size(s) indicating their
magnitude:
set
hypothesis
1
2
D
n
α
a)
μ1 ≠ μ2
32.6
32.1
4.2
24
0.05
b)
μ1 > μ2
101.9
95
10
27
0.01
c)
μ1 < μ2
74.6
70.2
6.6
24
0.10
a)
Compute the appropriate test statistic(s) to make a decision about
H0.
critical value? = ; test statistic? =
Decision?: ---Select--- Reject...
For each of the following sets of results, compute the appropriate test statistic, test the indicated...
For each of the following sets of results, compute the
appropriate test statistic, test the indicated alternative
hypothesis, and compute the effects size(s) indicating their
magnitude:
set
Hypothesis
μ0
σ
n
α
a)
μ ≠ μ0
51.4
50
3.6
49
0.05
b)
μ > μ0
39.7
40.1
6.2
31
0.15
c)
μ < μ0
31.8
30
8.9
33
0.10
a)
Compute the appropriate test statistic(s) to make a decision about
H0.
critical value =__________ ; test statistic =
________________
Decision: ***(choose...
For each of the following sets of results, compute the appropriate test statistic, test the indicated...
For each of the following sets of results, compute the
appropriate test statistic, test the indicated alternative
hypothesis, and compute the effects size(s) indicating their
magnitude:
set
Hypothesis
μ0
σ
n
α
a)
μ ≠ μ0
54.4
50.4
3
30
0.20
b)
μ > μ0
43
40.5
6.5
40
0.10
c)
μ < μ0
38.8
32
9.6
34
0.01
a)
Compute the appropriate test statistic(s) to make a decision about
H0.
critical value = _______; test statistic = ____________
Decision:...
For each of the following sets of results, compute the appropriate test statistic, test the indicated...
For each of the following sets of results, compute the
appropriate test statistic, test the indicated alternative
hypothesis, and compute the effects size(s) indicating their
magnitude:
set
Hypothesis
μ0
n
α
a)
μ ≠ μ0
99.9
99.1
3
26
0.05
b)
μ > μ0
22.6
20.6
6.6
27
0.10
c)
μ < μ0
49.1
55
8.1
23
0.01
a)
Compute the appropriate test statistic(s) to make a decision about
H0.
critical value = ; test statistic =
Decision: ---Select--- Reject H0 Fail...
For each of the following sets of results, compute the appropriate test statistic, test the indicated...
For each of the following sets of results, compute the
appropriate test statistic, test the indicated alternative
hypothesis, and compute the effects size(s) indicating their
magnitude:
set
Hypothesis
μ0
n
α
a)
μ ≠ μ0
13
10.7
3.2
21
0.05
b)
μ > μ0
97.5
99.8
8
18
0.01
c)
μ < μ0
21.1
20
8.6
23
0.10
a)
Compute the appropriate test statistic(s) to make a decision about
H0.
critical value = ; test statistic =
Decision: ---Select--- Reject H0 Fail...
For each of the following sets of results, compute the appropriate test statistic, test the indicated...
For each of the following sets of results, compute the
appropriate test statistic, test the indicated alternative
hypothesis, and compute the effects size(s) indicating their
magnitude:
set
Hypothesis
μ0
σ
n
α
a)
μ ≠ μ0
54.7
55
3.9
49
0.15
b)
μ > μ0
68.6
68
6.5
34
0.20
c)
μ < μ0
103.3
100
9.2
47
0.05
a)
Compute the appropriate test statistic(s) to make a decision about
H0.
critical value = ; test statistic =
Decision: ---Select--- Reject H0...
For each of the following sets of results, compute the appropriate test statistic, test the indicated...
For each of the following sets of results, compute the
appropriate test statistic, test the indicated alternative
hypothesis, and compute the effects size(s) indicating their
magnitude:
set
Hypothesis
1
2
D
n
α
a)
μ1 ≠ μ2
93.3
97.4
3.2
21
0.01
b)
μ1 > μ2
69.8
68
8.3
22
0.05
c)
μ1 < μ2
44.9
39.4
6.3
28
0.10
a)
Compute the appropriate test statistic(s) to make a decision about
H0.
critical value = ; test statistic =
Decision: ---Select--- Reject...
For each of the following sets of results, compute the appropriate test statistic, test the indicated...
For each of the following sets of results, compute the
appropriate test statistic, test the indicated alternative
hypothesis, and compute the effects size(s) indicating their
magnitude:
set
hypothesis
1
2
1
2
n1
n2
α
a)
μ1 ≠ μ2
14.3
15.6
2.4
2.2
6
14
0.10
b)
μ1 > μ2
69.6
64.1
3.4
3.7
15
7
0.05
c)
μ1 < μ2
22.5
25.4
2.6
4.8
13
11
0.01
a)
Compute the appropriate test statistic(s) to make a decision about
H0....
explain the limitations of individual measures of spread when describing data sets use measures of spread...
explain the limitations of individual measures of spread
when describing data sets
use measures of spread to compare two related one
variable data sets
determine standard deviation for a one variable data set
with or without technology
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