The data set below contains the electricity costs, in dollars, during July 2013 for a random sample of 30 one-bedroom apartments in a large city. Complete parts (a) and (b).
The data set below contains the electricity costs, in dollars, during July 2013 for a random sample of 30 one-bedroom apartments in a large city. Complete parts (a) and (b).
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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Question
The data set below contains the electricity costs, in dollars, during July 2013 for a random sample of 30 one-bedroom apartments in a large city. Complete parts (a) and (b).
|
127
|
90
|
198
|
175
|
116
|
187
|
121
|
128
|
136
|
137
|
139
|
161
|
139
|
153
|
185
|
|
|
153
|
86
|
170
|
175
|
144
|
204
|
152
|
96
|
162
|
215
|
143
|
103
|
154
|
169
|
116
|
a. Decide whether the data appear to be approximately normally distributed by comparing data characteristics to theoretical properties.
No, the interquartile range of the data is too small for the distribution to be normal.
No, the mean and median of the data are too different for the distribution to be normal.
No, the range of the data is too great for the distribution to be normal.
Yes, the distribution of the data appears to closely resemble a normal distribution.
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