Question

Below are the jersey numbers of 11 players randomly selected from a football team. Find the range, variance, and standard deviation for the given sample data. What do the results tell us?

26 3 70 84 64 11 76 69 13 28 43

Answer #1

Below are the jersey numbers of 11 players randomly selected
from a football team. Find the range, variance, and standard
deviation for the given sample data. What do the results tell
us?
1 76 72 52 29 68 46 30 53 59 74
Range equals=75
Sample standard deviation=__?(Round to one decimal place as
needed.)
variance=__?

Find the (a) mean (b) median () mode, and (d) midrange for the data
and then (e) answer the given question Listed below are the jersey
numbers of 11 players randomly selected from the roster of a
championship sports tearn do the results tell us? 9, 25, 14, 72,
17, 73, 19, 62, 15, 76, 75

The numbers of regular season wins for 10 football teams in a
given season are given below. Determine the range, mean,
variance, and standard deviation of the population data set. 2,
9, 15, 2, 13, 6, 11, 6, 2, 6

The numbers of regular season wins for 10 football teams in a
given season are given below. Determine the range, mean,
variance, and standard deviation of the population data set. 2,
8, 15, 4, 15, 7, 13, 7, 5, 6.

Managers rate employees according to job performance and
attitude. The results for several randomly selected employees are
given below.
Performance
59
63
65
69
58
77
76
69
70
64
Attitude
72
67
78
82
75
87
92
83
87
78
a.) Find the Correlation Coefficient Value.
b.) Determine the Strength of the Value.
c.) Find the Regression Equation.

The weights of 52 randomly selected NFL football players are
presented below. The sample mean is 248.38 and the sample standard
deviation is 46.68. A 92% confidence interval for the mean weight
of football players will be conducted by answering the questions
below.
305
265
287
285
290
235
300
230
195
236
244
194
190
307
218
315
265
210
194
216
255
300
315
190
185
183
313
246
212
201
308
270
241
242
306
237
315...

Three randomly selected households are surveyed. The numbers of
people in the households are
11,
22,
and
1212.
Assume that samples of size
nequals=2
are randomly selected with replacement from the population
of
11,
22,
and
1212.
Listed below are the nine different samples. Complete parts (a)
through (c).
11,11
11,22
11,1212
22,11
22,22
22,1212
1212,11
1212,22
1212,1212
a. Find the variance of each of the nine samples, then
summarize the sampling distribution of the variances in the format...

Data was collected for 364 randomly selected 10 minute
intervals. For each ten-minute interval, the number of people
entering the atrium of a large mall were recorded. The data is
summarized in the table below.
Number
of Guests
Frequency
220 – 239
83
240 – 259
95
260 – 279
47
280 – 299
43
300 – 319
96
What is the class width for this GFDT?
Class width =
The number of students in the tutoring center was recorded...

#11 Please show work: The data below represents
the fields of specialization for a randomly selected sample of
undergraduate students. We want to determine whether there is any
dependency between the fields of specialization and the regions of
the country.
Northeast
Midwest
South
West
Total
Business
54
65
28
93
240
Engineering
15
24
8
33
80
Liberal Arts
65
84
33
98
280
Fine Arts
13
15
7
25
60
Health Sciences
3
12
4
21
40
150
200...

Listed below are the numbers of hurricanes that occurred in each
year in a certain region. The data are listed in order by year.
Find the range, variance, and standard deviation for the given
sample data. Include appropriate units in the results. What
important feature of the data is not revealed by any of the
measures of variation? 17 12 15 12 12 11 5 1 17 18 13 5 2 11 The
range of the sample data is nothing...

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