What is the correct decision and conclusion

Reference no: EM13108302

Do students at various universities differ in how sociable they are? Twenty-five students were randomly selected from each of three universities in a region and were asked to report on the amount of time they spent socializing each day with other students. The result for University X was a mean of 7 hours and an estimated population variance of1 hours; for University Y, M=6, S2=3; for University Z, M=8, S2=2. Test the researcher's hypothesis using the .05 level of significance. What is the correct decision and conclusion? what's F score and effect size?

Reference no: EM13108302

Questions Cloud

Calculate revenue taken at four prices : Gas station sells 1400 gallons of gasoline per hour if it charges $ 2.05 per gallon but only 1100 gallons per hour if it charges $ 2.95 per gallon. What should gasoline price be to sell 1000 gallons per hour?

Computing the project npv : Summer Tyme, Inc., is considering a new three-year expansion project that requires an initial fixed asset investment of $3.9 million. The fixed asset will be depreciated straight-line to zero over its three-year tax life, after which time it will be ..

What is the t score and cutoff score : A study of the effects of color on easing anxiety compared anxiety test scores of participants who completed the test printed on either soft yellow paper or on harsh green paper.

Type i error explanation : Metal detectors at airports are used to determine whether passengers are carrying weapons. If the null hypothesis states that a passenger isn't carrying a weapon, a type I error would occur whenever

What is the correct decision and conclusion : The result for University X was a mean of 7 hours and an estimated population variance of1 hours; for University Y, M=6, S2=3; for University Z, M=8, S2=2. Test the researcher's hypothesis using the .05 level of significance. What is the correct d..

Describe the offensive strategies for blockbuster : Will new competition for Redbox and digital content providers force blockbuster to alter its strategy? If yes, what are the offensive strategies for blockbuster?

Explain how the size of sample standard deviaion infulence : A repeated-measures study with a sample of n= 25 participants produces a mean difference of MD = 3 with a standard deviation of s= 4. Based on the mean and standard deviation, you should be able to visualize (or sketch) the sample distribution.

Determine the mean of ten scores in population : Parameter of interest is mean score in this population. Sample is an SRS of size n = 4 drawn from population. Determine the mean of 10 scores in the population.

Develop positioning strategy for marketing the new product : Put yourself in the position of an entrepreneur who is developing a new product to introduce into the market. Briefly describe the product. Then develop the segmentation, targeting, and positioning strategy for marketing the new product.

User Account

All Pages