How many hours per week do gamers play video games? A simple random sample of 44 U.S. gamers age 13 or older are given below. 8.7 6.3 8.5 6.6 6.8 7.1 8.9 12.7 7 5.8 8 10.3 8.4 11.2 7.9 10.7 10.2 7.2 6.6 6.3 7.1 8.3 9.4 8.5 10.2 10.5 5.3 9.8 9.4 10.2 10.8 9.4 7.8 10.8 8.9 8.2 7.4 6.7 8.4 9.7 6.6 8.3 10.1 7.8 a.) Find a 92% confidence level for the population average time per week a gamer 13 or older plays video games. (Round answers to two decimal place.) margin of error: ? hr/wk lower limit: ? hr/wk upper limit: ? hr/wk Interpret: We are (?)% confident that the population mean time per week a gamer 13 or older plays video games is between(?) hours and (?) hour .
How many hours per week do gamers play video games? A simple random sample of 44 U.S. gamers age 13 or older are given below. 8.7 6.3 8.5 6.6 6.8 7.1 8.9 12.7 7 5.8 8 10.3 8.4 11.2 7.9 10.7 10.2 7.2 6.6 6.3 7.1 8.3 9.4 8.5 10.2 10.5 5.3 9.8 9.4 10.2 10.8 9.4 7.8 10.8 8.9 8.2 7.4 6.7 8.4 9.7 6.6 8.3 10.1 7.8 a.) Find a 92% confidence level for the population average time per week a gamer 13 or older plays video games. (Round answers to two decimal place.) margin of error: ? hr/wk lower limit: ? hr/wk upper limit: ? hr/wk Interpret: We are (?)% confident that the population mean time per week a gamer 13 or older plays video games is between(?) hours and (?) hour .
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.4: Collecting Data
Problem 3E
Related questions
Topic Video
Question
How many hours per week do gamers play video games? A simple random sample of 44 U.S. gamers age 13 or older are given below.
- 8.7
- 6.3
- 8.5
- 6.6
- 6.8
- 7.1
- 8.9
- 12.7
- 7
- 5.8
- 8
- 10.3
- 8.4
- 11.2
- 7.9
- 10.7
- 10.2
- 7.2
- 6.6
- 6.3
- 7.1
- 8.3
- 9.4
- 8.5
- 10.2
- 10.5
- 5.3
- 9.8
- 9.4
- 10.2
- 10.8
- 9.4
- 7.8
- 10.8
- 8.9
- 8.2
- 7.4
- 6.7
- 8.4
- 9.7
- 6.6
- 8.3
- 10.1
- 7.8
a.) Find a 92% confidence level for the population average time per week a gamer 13 or older plays video games. (Round answers to two decimal place.)
margin of error: ? hr/wk
lower limit: ? hr/wk
upper limit: ? hr/wk
Interpret: We are (?)% confident that the population mean time per week a gamer 13 or older plays video games is between(?) hours and (?) hour .
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