A recent national survey found that high school students, Ask an Expert

Statistics

A recent national survey found that high school students watch an average of 6.4 videos per month. A random sample of 25 college students revealed that the mean number of videos watched last month was 6.2, with a standard deviation of 0.5. At a .05 significance level, can we conclude college students watch fewer videos per month than high school students?

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M9112244

Have any Question?Write your Review or question?

Related Questions in Statistics and Probability

Which level of risk considers sources of danger or

Which level of risk considers sources of danger or uncertainties that have a direct and model-wide impact?

A random sample ofnbsp86nbspeighth grade students scores on

A random sample of 86 eighth grade? students' scores on a national mathematics assessment test has a mean score of 292. This test result prompts a state school administrator to declare that the mean score for the? state' ...

Suppose that you sample 59 high school baseball pitchers in

Suppose that you sample 59 high school baseball pitchers in one county and find that they have a mean fastball pitching speed of 80.00 miles per hour (mph) with a standard deviation of 4.98 mph. Find a 95% confidence int ...

Thirty-eight percent of consumers prefer to purchase

Thirty-eight percent of consumers prefer to purchase electronics online. You randomly select 16 consumers. Find the probability that the number who prefer to purchase electronics online is at most 5.

Candidate as pollster conducted a survey in which 460 out

Candidate A's pollster conducted a survey in which 460 out of 720 respondents indicated they would probably vote for Candidate A. Compute the confidence interval for the population. This is the question that I'm stuck on ...

The statistical and regression questions are listed

The statistical and regression questions are listed below: What is the value of the simple correlation between TICKETS and COST? If you are able to determine the answer, is showing the film in more theatres associated wi ...

A copier services company is considering adding an advanced

A copier services company is considering adding an advanced model to its product line but is concerned about excessive maintenance calls. During a trial introduction in a test market, maintenance personnel recorded X, th ...

The december cbot treasury bond futures contract is quoted

The December CBOT Treasury bond futures contract is quoted at 92-19. If annual interest rates go up by 1.50 percentage points, what is the gain or loss on the futures contract? (Assume a $1,000 par value, and round to th ...

The population standard deviation for the height of high

The population standard deviation for the height of high school basketball players is 2.3 inches. If we want to be 95% confident that the sample mean height is within 0.5 inch of the true population mean height, how many ...

A light bulb manufacturer guarantees that the mean life of

A light bulb manufacturer guarantees that the mean life of a certain type of light bulb is at least 720 hours. A random sample of 51 light bulbs as a mean of 710.3 hours with a standard deviation of 62 hours. At an α=0.0 ...

4,153,160 Questions Asked
13,132 Experts
2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Recent Questions

Ask Statistics and Probability Expert