(a)
To find: The sample and the population suggested in the given report.
(a)
Answer to Problem 25PPS
The sample and population are given below.
Explanation of Solution
The sample group is the citizens of U.S.who spends number of minutes on cell phone from the age of
The population is all the citizens of the U.S. from the age of
(b)
To find: The type of sample statistic.
(b)
Answer to Problem 25PPS
The type is given below.
Explanation of Solution
The average time
(c)
To find: The result of the study for each age group.
(c)
Answer to Problem 25PPS
The result is shown below.
Explanation of Solution
Given:
Calculation:
The left bar represents talking and right bars represents texting.
(d)
To find: The details aboutthe interest in this type of survey.
(d)
Answer to Problem 25PPS
A cell phone company.
Explanation of Solution
A cell phone company must be interested to know the usage of cell phone.
Chapter 11 Solutions
Glencoe Algebra 2 Student Edition C2014
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