One study revealed that the average child under the age of 10 watches television 4.5 hours per day.
a. A group of families from a certain community would like to believe that their children watch television less than the national average.
A random sample of 14 children from the community yielded a mean of 4.1 hours per day with a standard deviation of 1.2. Test the appropriate hypotheses at the
= 0.01 level. Assume the viewing time is normally distributed and interpret your results.
b. Compute the test statistic for the hypotheses in (a).
Test Statistic = ______________
Conclusion: ______________
The sample data ______________ support the null hypothesis at the
level?

Question

One study revealed that the average child under the age of 10 watches television 4.5 hours per day.
a. A group of families from a certain community would like to believe that their children watch television less than the national average.
A random sample of 14 children from the community yielded a mean of 4.1 hours per day with a standard deviation of 1.2. Test the appropriate hypotheses at the
  = 0.01 level. Assume the viewing time is normally distributed and interpret your results. 
b. Compute the test statistic for the hypotheses in (a).
Test Statistic = ______________
Conclusion: ______________
The sample data ______________ support the null hypothesis at the
  level?

Quizplus · Accepted Answer

The Answer of One study revealed that the average child under the age of 10 watches television 4.5 hours per day.
a. A group of families from a certain community would like to believe that their children watch television less than the national average.
A random sample of 14 children from the community yielded a mean of 4.1 hours per day with a standard deviation of 1.2. Test the appropriate hypotheses at the
  = 0.01 level. Assume the viewing time is normally distributed and interpret your results. 
b. Compute the test statistic for the hypotheses in (a).
Test Statistic = ______________
Conclusion: ______________
The sample data ______________ support the null hypothesis at the
  level?

One Study Revealed That the Average Child Under the Age