Question

According to a study of TV viewing habits, the average number of hours an American over...

According to a study of TV viewing habits, the average number of hours an American over the age of 2 watches TV per week is 44. The population standard deviation is 16 hours. If a sample of 64 Americans over the age of 2 are randomly selected, what is the standard error of the mean?

Math   Statistics-And-Probability   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

sampling distribution of standard deviation

=  / n = 16 / 64

= 2

if only 2 selected so

=  / n = 16 / 2

= 11.31

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
According to the South Dakota Department of Health, the mean number of hours of TV viewing...
According to the South Dakota Department of Health, the mean number of hours of TV viewing per week is higher among adult women than men. A recent study showed women spent an average of 34 hours per week watching TV and men 29 hours per week ( www.state.sd.us/DOH/Nutrition/TV.pdf). Assume that the distribution of hours watched follows the normal distribution for both groups, and that the standard deviation among the women is 4.5 hours and is 5.1 hours for the men....
According to Nielsen Media Research, the average number of hours of TV viewing by adults (18...
According to Nielsen Media Research, the average number of hours of TV viewing by adults (18 and over) per week in the United States is 36.07 hours. Suppose the standard deviation is 9.5 hours and a random sample of 46 adults is taken. Appendix A Statistical Tables a. What is the probability that the sample average is more than 35 hours? b. What is the probability that the sample average is less than 36.6 hours? c. What is the probability...
According to Nielsen Media Research, the average number of hours of TV viewing by adults (18...
According to Nielsen Media Research, the average number of hours of TV viewing by adults (18 and over) per week in the United States is 36.07 hours. Suppose the standard deviation is 9.7 hours and a random sample of 50 adults is taken. Appendix A Statistical Tables a. What is the probability that the sample average is more than 38 hours? b. What is the probability that the sample average is less than 36.5 hours? c. What is the probability...
According to Nielsen Media Research, the average number of hours of TV viewing by adults (18...
According to Nielsen Media Research, the average number of hours of TV viewing by adults (18 and over) per week in the United States is 36.07 hours. Suppose the standard deviation is 9.7 hours and a random sample of 45 adults is taken. a. What is the probability that the sample average is more than 38 hours? b. What is the probability that the sample average is less than 39.8 hours? c. What is the probability that the sample average...
According to Nielsen Media Research, the average number of hours of TV viewing by adults (18...
According to Nielsen Media Research, the average number of hours of TV viewing by adults (18 and over) per week in the United States is 36.07 hours. Suppose the standard deviation is 8.7 hours and a random sample of 47 adults is taken. a. What is the probability that the sample average is more than 36 hours? b. What is the probability that the sample average is less than 36.8 hours? c. What is the probability that the sample average...
According to Nielsen Media Research, the average number of hours of TV viewing by adults (18...
According to Nielsen Media Research, the average number of hours of TV viewing by adults (18 and over) per week in the United States is 36.07 hours. Suppose the standard deviation is 8.8 hours and a random sample of 48 adults is taken. Appendix A Statistical Tables a. What is the probability that the sample average is more than 35 hours? b. What is the probability that the sample average is less than 36.6 hours? c. What is the probability...
According to the South Dakota Department of Health, the number of hours of TV viewing per...
According to the South Dakota Department of Health, the number of hours of TV viewing per week is higher among adult women than adult men. A recent study showed women spent an average of 29 hours per week watching TV, and men, 24 hours per week. Assume that the distribution of hours watched follows the normal distribution for both groups, and that the standard deviation among the women is 4.9 hours and is 5.4 hours for the men. How many...
According to the South Dakota Department of Health, the number of hours of TV viewing per...
According to the South Dakota Department of Health, the number of hours of TV viewing per week is higher among adult women than adult men. A recent study showed women spent an average of 30 hours per week watching TV, and men, 22 hours per week. Assume that the distribution of hours watched follows the normal distribution for both groups, and that the standard deviation among the women is 4.1 hours and is 5.0 hours for the men. What percent...
the number of hours an American adult watches tv follows a normal distribution with an average...
the number of hours an American adult watches tv follows a normal distribution with an average of 6.9 hours a day with a standard deviation of .68 hours. If we take a random sample of 13 American adults what is the probability they have a sample mean less than 7.5 hours per day?
1.) A schoolteacher is concerned that her students watch more TV than the average American child....
1.) A schoolteacher is concerned that her students watch more TV than the average American child. She reads that according to the American Academy of Pediatrics, the average American child in the population watches µ = 4 hours of TV per day. She records the number of hours of TV each of her six students watches per day. The times (in hours) is presented below. Times: 6.2, 2.5, 5.5, 2.8, 4.8, 4.6 a.) What are your degrees of freedom and...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT