Pennsylvania Seniors TV Hours: 2010 vs 2019? Exercise 1.24 describes a dataset, stored in PASeniors, for a sample of 457 Pennsylvania high school seniors who did the Census at School project. The data contain responses from the years 2010 through 2019. Focus on the first and last of these years to test if there is enough evidence to show a difference in mean number of hours of TV watching per week. Some summary statistics are shown in the table below. Year Sample Size Mean St. Dev 2010 2019 30 37 8.12 7.68 5.50 6.44 (Let Group 1 represent 2010 and Group 2 represent 2019.) Ho: P10 O Ho: H10 O Ho: H10 O Ho: H10 O Ho: H10 State the hypotheses. 10 and 19 are the mean hours of TV for Pennsylvania seniors who did the Census in School survey in 2010 and 2019. P19 VS HA: H10 > H19 H19 VS HA: H10 H19 H19 VS HA: H10 H19 H19 VS HA: P10 H19 VS HA: H10 PH19 H19

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Read the passage on Pennsylvania Seniors and then answer questions carefully to get the correct answers.

Pennsylvania Seniors TV Hours: 2010 vs 2019? Exercise 1.24 describes a dataset, stored in PASeniors, for a sample of 457
Pennsylvania high school seniors who did the Census at School project. The data contain responses from the years 2010 through
2019. Focus on the first and last of these years to test if there is enough evidence to show a difference in mean number of hours of TV
watching per week. Some summary statistics are shown in the table below.
Year Sample Size Mean St. Dev
8.12 7.68
2010
2019
30
37
5.50 6.44
(Let Group 1 represent 2010 and Group 2 represent 2019.)
State the hypotheses. 10 and 19 are the mean hours of TV for Pennsylvania seniors who did the Census in School survey in 2010
and 2019.
Ho: P10
H19 VS HA: H10
Ho: H10
H19 VS HA: H10
Ho: P1019 VS HA: H10
Ho: H10 H19 VS HA: H10
Ho: P1019 VS HA H10
.
H19
H19
H19
H19
H19
Transcribed Image Text:Pennsylvania Seniors TV Hours: 2010 vs 2019? Exercise 1.24 describes a dataset, stored in PASeniors, for a sample of 457 Pennsylvania high school seniors who did the Census at School project. The data contain responses from the years 2010 through 2019. Focus on the first and last of these years to test if there is enough evidence to show a difference in mean number of hours of TV watching per week. Some summary statistics are shown in the table below. Year Sample Size Mean St. Dev 8.12 7.68 2010 2019 30 37 5.50 6.44 (Let Group 1 represent 2010 and Group 2 represent 2019.) State the hypotheses. 10 and 19 are the mean hours of TV for Pennsylvania seniors who did the Census in School survey in 2010 and 2019. Ho: P10 H19 VS HA: H10 Ho: H10 H19 VS HA: H10 Ho: P1019 VS HA: H10 Ho: H10 H19 VS HA: H10 Ho: P1019 VS HA H10 . H19 H19 H19 H19 H19
Find test statistic and p-value.
Test statistic i
p-value = i
eTextbook and Media
What do you conclude?
(round to two decimal places)
(round to three decimal places)
Do not reject Ho. We do not have evidence that mean hours of TV watching has changed.
O Reject Ho. We have evidence that mean hours of TV watching has changed.
Reject Ho. We do not have evidence that mean hours of TV watching has changed.
O Do not reject Ho. We have evidence that mean hours of TV watching has changed.
Transcribed Image Text:Find test statistic and p-value. Test statistic i p-value = i eTextbook and Media What do you conclude? (round to two decimal places) (round to three decimal places) Do not reject Ho. We do not have evidence that mean hours of TV watching has changed. O Reject Ho. We have evidence that mean hours of TV watching has changed. Reject Ho. We do not have evidence that mean hours of TV watching has changed. O Do not reject Ho. We have evidence that mean hours of TV watching has changed.
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