on the two common operating systems in the smartphone market. She wants to decide in which system to build new features by determining which system has users that spend more money.( significance level of 5%) System A System B Mean $10 $15 Standard deviation $3 $5 Number of users 67 65
on the two common operating systems in the smartphone market. She wants to decide in which system to build new features by determining which system has users that spend more money.( significance level of 5%) System A System B Mean $10 $15 Standard deviation $3 $5 Number of users 67 65
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 26PPS
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Question
Arusi has a successful app that runs on the two common operating systems in the smartphone market. She wants to decide in which system to build new features by determining which system has users that spend more money.( significance level of 5%)
System A |
System B |
|
Mean |
$10 |
$15 |
Standard deviation |
$3 |
$5 |
Number of users |
67 |
65 |
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