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We are interested in whether children's educational computer software costs less, on average, than children's entertainment software. 36 educational software titles were randomly picked from a catalog. The mean cost was $31.14 with a standard deviation of $4.69. 35 entertainment software titles were randomly picked from the same catalog. The mean cost was $33.86 with a standard deviation of $10.87. Decide whether children's educational software costs less, on average, than children's entertainment software. (Source: Educational Resources, December catalog)
Give a chart that compares the proportion of the 3 different tv show endings - How much you would pay for each of the different endings - Test the claim that variable ending type is independent of the variable
Show your work and explain all results! Head width (cm) Biting force (grams/centimer2) 4.31 125.9 3.92 114.7 2.56 90.8 3.72 102.0 4.21 120.2 2.95 101.5 4.74 130.5 2.84 110.7 Imagine that you are examining the functional relationship between head w..
The average price for a new home in a certain neighborhood is $275,000 with a standard deviation of $20,000. What is the probability that a particular home will cost between $280,000 and $300,000?
What was Polk's plan for the conduct of the war? What were the objectives of the American offensives in the war? How did Generals Zachary Taylor and Winfield Scott approach the problem of fighting the Mexican Army over such a large amount of terri..
You have been called upon to assess whether a NICU nutrition protocol is working to promote growth in underweight babies. You have weight measurements at three time points: birth, 28 days and discharge from the hospital. You also have a variable i..
Newgroveton is a community of 445,000. In the most recent year, there were 750 new cases of disease A in the community.
Tires a and tires b have an average lifespan of 50,000 miles. Tires A was found to have a standard deviation of 12,000 miles and tires b was found to have a standard deviation of 8,000 miles. Which tires are more reliable?
Statistics question on "validity" and "reliability. What is the link between "validity" and "reliability?" How does sample size affect this link? Answer should include discussion of sampling, reliable measures, and valid measures.
a payoff table is given asstate of naturedecisions1s2s3d11086d214152d3789a. what decision should be made by the
suppose you are interested in measuring the amount of time on average it takes you to make your commute to school.
in a data communication system several messages that arrive at a node are bundled into a packet before they are
What is the probability that a sample mean from a sample size 16 lies above 145 lb?- Find P95, the 95th percentile for the population of women's weights.
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