Mathematics, 14.07.2020 23:01 Sallyjoe8381
A random sample of 82 college students were asked how many hours do they exercise in a typical week. The data was entered in the Statistix software and the descriptive statistics printouts is shown below:Descriptive StatisticsExerciseN 82Lo 93% CI 6.0925Mean 6.9878Up 93% CI 7.8831SD 4.4152Minimum 0.0000Median 6.5000Maximum 22.000Suppose it is desired to reduce the width of the confidence interval to get more accurate information. Which of the following will accomplish this goal?A. Decrease the reliability levelB. Decrease the sample sizeC. Decrease the alpha usedD. All of these would result in a narrower interval
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Mathematics, 21.06.2019 16:00
While scuba diving, rajeev dove to a depth of 12.6 feet below the surface of the water and then descended another 8.7 feet. what expression can be used to find rajeev's new position? 12.6 – 8.7 –12.6 – 8.7 –12.6 – (–8.7) 12.6 – (–8.7)
Answers: 2
Mathematics, 21.06.2019 16:30
What is the area of a pizza with a radius of 40 cm leave the answer in terms of π to find your exact answer 40π cm² 1600π cm² 800π cm² 80π cm² π=pi
Answers: 1
Mathematics, 22.06.2019 00:30
Three friends are comparing the prices of various packages of golf balls at a sporting goods store. hector finds a package of 6 golf balls that costs $4.50.
Answers: 3
A random sample of 82 college students were asked how many hours do they exercise in a typical week....
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