Given the following grouped frequency distribution
Data
Frequency
30 - 34
15
35 - 39
20
40 - 44
15
45 - 49
10
50 - 54
5
55 - 59
4
60 - 64
3
65 - 69
1
70 - 74
1
Find the mean (give you answer to one decimal) =
Find the standard deviation (give your answer to two decimals)
=
What is the shape of this distribution?
Calculate the MODE and MEDIAN. The measures of center for
following GFDT. Data Frequency
60 - 64 13
65 - 69 19
70 - 74 10
75 - 79 9
80 - 84 8
85 - 89 5
90 - 94 4
95 - 99 1
100 - 104 2
calculate the MODE and MEDIAN
Approximate the measures of center for following GFDT.
Data
Frequency
70 - 74
2
75 - 79
1
80 - 84
3
85 - 89
3
90 - 94
6
95 - 99
12
100 - 104
13
105 - 109
20
110 - 114
15
mode =
median =
mean =
Report mode and median accurate to one decimal place. Report the
mean accurate to two decimal places (or enter as a fraction).
Data Set: 14, 16, 21, 34, 38, 39, 41, 45, 50, 53, 82,
90
-
Find the 70th percentile
-Find the five number summary
-Determine if the data has any outliers. Explain why
The number of movies 11 randomly selected adults own is
shown below.
6
30
39
39
41
43
46
49
56
60
99
a. Identify the five-number summary and the
interquartile range (IQR)?
b. Construct a boxplot for the data?
c. Comment on the shape of the
distribution.
d. Determine if there are any outliers? (Need to show
work)
Find the 5 number summary for the data shown
11
17
20
21
25
29
34
39
47
58
74
75
77
82
5 number summary(from least to greatest):
From the table below, give the percentile of a value of 48
(rounded to the nearest whole percentile)
83
48
28
111
68
105
48 represents the -th percentile