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The average height of college basketball players is 6 feet 4inchs, with a standard deviation of 4 inchs. You take a sample of 16 players and calculate their average height. What central interval contains 68 percent of this average?
Explain how significance is determined in simple terms as well and define a statistical interaction and how it affects your results. Give an example. List the variables that are interacting and why.
To find out whether two categorical variables are independent, one should use the.
Calculate correlation coefficient for data below. Compute the equation for regression line if n=7, Ex=69, Ey=528 Exy=4754 and Ex^2=825
questionc1-tinternetgdpco2cellularfertilityliteracyalgeria0.656.0930.32.858.3argentina10.0811.323.819.32.496.9australia3
the average life span for batteries is 100 hours with a standard deviation of 10 hours. construct a confidence interval
The cost accountant for Blue Pharmaceuticals has informed you that the company's materials quantity variance for the drug Allegro was exactly equal to its materials price variance for the year.
Test the claim that the Snickers bars have a mean weight that is different than 20.1 grams. Because shutting down the plant is very expensive, test the claim at the .01 level of significance.
A Federal funding program is available to low income neighborhoods. To qualify for the funding a neighborhood must have a mean household income of less then $15,000 per year.
A standard slot machine has three reels. The first reel has 3 walnuts, 7 cherries, 3 oranges, 5 lemons, 1 bell, and 1 jackpot bar. The second reel has 7 cherries, 6 oranges, 1 lemon, 3 bells, and 3 bars. The third reel has 4 walnuts, 7 oranges, 5 ..
the salespeople at quality motor bikes sell up to 5 bikes a month. the probability distribution is as follows in the
A standard deviation of 8 minutes before they could see doctor. Give the 99% confidence interval for average waiting time for all of patients who visit doctor.
an organization wants to know if participants with varying levels of expertise professionals paraprofessionals and
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