Mathematics, 13.09.2021 06:30 182075
6. A statistics class had the following scores on Test 1: 49, 71, 77, 86, 14, 54, 30, 20, 65, 70, 66, 45, 82, 67. Find the standard deviation of this data.
Answers: 3
Mathematics, 21.06.2019 17:00
What is the value of the expression 9+n/3-6 when n = 12? 1. 5. 7. 12.
Answers: 1
Mathematics, 21.06.2019 19:00
Twenty points. suppose that one doll house uses the 1 inch scale, meaning that 1 inch on the doll house corresponds to 1/2 foot for life-sized objects. if the doll house is 108 inches wide, what is the width of the full-sized house that it's modeled after? in inches and feet
Answers: 2
Mathematics, 21.06.2019 20:00
The length of the line segment joining the midpoints of sides ab and bc of the parallelogram abcd is 10. find the length of diagnol ac
Answers: 3
Mathematics, 22.06.2019 02:30
According to a research study, parents with young children slept 6.4 hours each night last year, on average. a random sample of 18 parents with young children was surveyed and the mean amount of time per night each parent slept was 6.8. this data has a sample standard deviation of 0.9. (assume that the scores are normally distributed.) researchers conduct a one-mean hypothesis at the 5% significance level, to test if the mean amount of time parents with young children sleep per night is greater than the mean amount of time last year. the null and alternative hypotheses are h0: μ=6.4 and ha: μ> 6.4, which is a right-tailed test. the test statistic is determined to be t0=1.89 using the partial t-table below, determine the critical value(s). if there is only one critical value, leave the second answer box blank.
Answers: 3
6. A statistics class had the following scores on Test 1: 49, 71, 77, 86, 14, 54, 30, 20,
65, 70,...
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