by essay_panther | Jun 24, 2023 | Statistics
The weekty time (in hours) spent doing homework for 18 randomly selected high school students is listed below. 12.0 11.3 13.5 11.7 12.0 13.0 15.5 10.8 12.5 12.3 14.0 9.5 8.8 10.0 12.8 15.0 11.8 13.0 a. Construct a 99% confidence interval for the population mean....
by essay_panther | Jun 24, 2023 | Statistics
Find the critical value c. necessary to construct a confidence interval at the level of confidence, c. and sample size n. Round to the nearest 1000’h. c = 0.95, n=20 Find the margin of error for the values of c, s, and n. Round to the nearest 10001h: c = 0.90 s...
by essay_panther | Jun 24, 2023 | Statistics
An admissions director wants to estimate the mean age of all students enrolled in a college. The estimate must be within .75 of a year of the population mean. Assume the population of ages is normally distributed. Determine the minimum sample size required to...
by essay_panther | Jun 24, 2023 | Statistics
1. Find the critical value ze necessary to construct a confidence interval at the level of confidence, c. Round to the nearest 1001^. o. c = 0.86 b. c = 0.92 2. Find the margin of error for the values. Round to the nearest 1000th: c = 0.95 a = 5.7 n = 40 3. Use...
by Brian Leakey | Jun 23, 2023 | Statistics
1) IQ scores tend to be fairly stable over time. This is because IQ tests have high:a) Validityb) Reliabilityc) Measurement errord) Cultural fairness 2) IQ scores correlate highly with academic performance. This is an example of IQ test:a) Validityb) Reliabilityc)...
by Brian Leakey | Jun 20, 2023 | Statistics
Find your own statistics about domestic racial, religious, language, or other diversity; or about international demographics, or social situations in need of civic engagement and share your findings. Do you agree with your findings?
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