Question

Consider a sample with data values of 26, 24, 20, 18, 32, 35, 29, and 24. Compute the 20th, 25th, 65th and75th percentiles (to 2 decimal, if decimals are necessary).

Answer #1

Consider a sample with data values of 27, 24, 19, 14, 30, 33,
28, and 24. Compute the 20th, 25th, 65th, and 75th percentiles
20th percentile
25th percentile
65th percentile
75th percentile

Consider a sample with data values of 26, 25, 20, 15, 32, 34,
29, and 25. Compute the range, interquartile range, variance, and
standard deviation (to a maximum of 2 decimals, if decimals are
necessary).
Range
Interquartile range
Variance
Standard deviation

Consider a sample with
data values of 27, 24, 21, 19, 32, 36, 29, and 24. Compute the
range, interquartile range, variance, and standard deviation (to a
maximum of 2 decimals, if decimals are necessary).
Range
Interquartile range
Variance
Standard deviation

Consider a sample with data values of 27, 25, 23, 16, 30, 33,
28, and 25. Compute the 20th ,25th ,65th ,75th percentiles (to 2
decimal, if decimals are necessary).
20th percentile
25th percentile
65th percentile
75th percentile
Consider a sample with data values of 26, 25, 23, 15, 30, 36,
29, and 25. Compute the range, interquartile range, variance, and
standard deviation (Round to 2 decimals, if necessary).
Range
Interquartile range
Variance
Standard deviation
Consider a sample with a...

descriptive statistics
for the given data
4 8 18 20 21 22 23 24 25 26 27 28 29 30 31 31 32 32 33 33 34 35 36
37 38 39 47 53

Consider a sample with data values of 27, 25, 20, 15, 30, 34,
28, and 25. Compute the 18th, 23rd, 66th, and 76th percentiles. If
needed, round your answers to two decimal digits.

Consider the following data:
25
24
18
20
21
18
16
20
23
17
15
13
19
23
24
20
16
26
21
24
15
22
16
12
20
23
19
26
20
25
21
19
21
25
23
26
21
19
20
14
(a)
Develop a frequency distribution
using classes of 12-14, 15-17, 18-20, 21-23, and 24-26.
Class
Frequency
12-14
15-17
18-20
21-23
24-26
Total
(b)
Develop a relative frequency
distribution and a percent frequency distribution using the classes...

Consider a sample with data values of 26 , 25 ,19 ,15 ,31 ,36 ,
28 , and 25 . Provide the five-number summary for the data.
Five-Number Summary Smallest value
First quartile (to 2 decimals)
Median (to 2 decimals)
Third quartile (to 2 decimals)
Largest value

10, 15, 17, 18, 29, 15, 17, 18, 16,
24,
13, 38, 49, 29, 14, 25, 21, 14, 35,
37,
38, 10, 19, 28, 17, 19, 24, 31, 32,
25,
26, 28, 19, 17, 24
Draw the following charts using the dataset above. Please write
a sentence or two interpreting the result (35
pts):
Histogram with five bins (be sure to use class boundaries)
(10pts)
Boxplot (15pts)
Stem and Leaf Plot (10pts)

BMI Before
BMI After
29
24
25
26
24
23
35
27
22
25
28
27
26
24
27
25
26
24
23
22
21
23
21
25
24
23
25
25
24
26
32
30
26
22
30
28
25
27
25
30
You need to create two histograms: one for the pre-BMI intervention
and another for the post-BMI intervention.
Please
provide your interpretation of the results. For example, you might
want to compare
the two
histograms and point...

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