10. Find the 95% confidence interv al ol ue uereice an means in Exercise 6 of this section. 11. Hours Spent Watching Television According to Nielsen Media Research, children (ages 2-11) spend an average of 21 hours 30 minutes watching television per week while teens (ages 12-17) spend an average of 20 hours 40 minutes. Based on the sample statis- tics shown, is there sufficient evidence to conclude a se at 9-19 498 Chapter 9 Testing the Difference Between Two Means, Two Propor difference in average television watching times between the two groups? Use a= 0.01. Children Teens bansta 18.50 Sample mean Sample variance Sample size 22.45 16.4 18.2 TS 15 15 Source: Time Almanac. 12. Professional Golfers' Earnings Two random samples of earnings of professional golfers were selected. One sample was taken from the Professional Golfers Associa- Professiona

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I need help with question 11 please

10. Find the 95% confidence interv
al ol ue uereice
an
means in Exercise 6 of this section.
11. Hours Spent Watching Television According to
Nielsen Media Research, children (ages 2-11) spend
an average of 21 hours 30 minutes watching television
per week while teens (ages 12-17) spend an average
of 20 hours 40 minutes. Based on the sample statis-
tics shown, is there sufficient evidence to conclude a
se
at
9-19
Transcribed Image Text:10. Find the 95% confidence interv al ol ue uereice an means in Exercise 6 of this section. 11. Hours Spent Watching Television According to Nielsen Media Research, children (ages 2-11) spend an average of 21 hours 30 minutes watching television per week while teens (ages 12-17) spend an average of 20 hours 40 minutes. Based on the sample statis- tics shown, is there sufficient evidence to conclude a se at 9-19
498
Chapter 9 Testing the Difference Between Two Means, Two Propor
difference in average television watching times between
the two groups? Use a= 0.01.
Children
Teens
bansta
18.50
Sample mean
Sample variance
Sample size
22.45
16.4
18.2
TS
15
15
Source: Time Almanac.
12. Professional Golfers' Earnings Two random samples
of earnings of professional golfers were selected. One
sample was taken from the Professional Golfers Associa-
Professiona
Transcribed Image Text:498 Chapter 9 Testing the Difference Between Two Means, Two Propor difference in average television watching times between the two groups? Use a= 0.01. Children Teens bansta 18.50 Sample mean Sample variance Sample size 22.45 16.4 18.2 TS 15 15 Source: Time Almanac. 12. Professional Golfers' Earnings Two random samples of earnings of professional golfers were selected. One sample was taken from the Professional Golfers Associa- Professiona
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