Entries by Hannah Wangui

‘ statistics

August 30, 2019 in /by

Question An online statistics instructor wants to know if students’ statistics self-efficacy increases from the beginning to end of an online introductory statistics course. Through the American Statistical Association (ASA) she finds 49 other researchers who are also interested in this topic. Together they organize a series of 50 research studies comparing online introductory students’ statistics […]

 

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population distribution

August 30, 2019 in /by

Question 1. Using http://onlinestatbook.com/stat_sim/sampling_dist/index.html, select a population distribution that is NOT normal (i.e., heavily skewed, uniform, bimodal). Using the same population distribution for each, construct the distribution of sample means for and .  Take at least 10,000 samples. [15 points] a. Include a screen shot of your parent population and your two distributions of sample […]

 

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standard deviation

August 30, 2019 in /by

Question Total Graduate Management Admissions Test (GMAT) scores range from 200 to 800 in 10 point intervals with a mean of 545.6 and standard deviation of 121.07.  The program that you want to enroll in requires a total GMAT score in the top 3% of the population. What is the minimum GMAT score that you […]

 

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confidence interval

August 30, 2019 in /by

Question  r = -.43 and the margin of error for 95% confidence is 0.08. What is the 95% confidence interval?   Looking for a Similar Assignment? Order now and Get 10% Discount! Use Coupon Code “Newclient”

 

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