Watching TV: In 2012, the General Social Survey asked a sample of 1328 people how much time they spent watching TV each day. The mean number of hours was 3.03 with a standard deviation of 2.68. A sociologist claims that people watch a mean of 3 hours of TV per day. Do the data provide sufficient evidence to conclude that the mean hours of TV watched per day is greater than the claim? Use the =α0.10 level of significance and the P-value method with the TI-84 Plus calculator. Part: 0 / 40 of 4
(a) State the appropriate null and alternate hypotheses. H0: H1: This hypothesis test is a ▼(Choose one)( right tail, left tail, or two tailed) test.
b.Compute theP-value. Round the P- value to at least four decimal places.
P-value__??
C. Determine whether to rejectH0
(Reject OR do not reject hypothesis) the null hypothesisH0
D. State a conclusion. There is or is not enough information to support claim
Solution:
a)
H0 : = 3
H1 : > 3
This hypothesis test is a right tail
b.)
t test for mean on TI*$ plus calculator:
Press STAT
Go to TESTS menu.
2. t TEST
Our inputs is Stats
: 3
: 3.03
sx : 2.68
n : 1328
: >
Calculate
Output:
t = -1.537
p = 0.3417
P-value = 0.3417
C)
do not reject the null hypothesis H0
D)
There is not enough information to support claim.
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