How can I perform a confidence interval for female students graduating Total# of female students: 36,143 total# of female graduates: 27,436 mean: 31,789.5 standard deviation: 4,353.5 Identify the Point of Estimate and Margin of Error Degrees of Freedom used for the inference proper summary of inference

Q: Q1. The test scores on a test were recorded for 8 students as follows: 71, 93, 91, 86, 75, 73, 86,…

A: Given that,The test scores on a test were recorded for 8 students as follows,71, 93, 91, 86, 75, 73,…

Q: Rock band The Rolling Stones have played scores of concerts in the last tw Rolling Stones concerts,…

A: Given, x-=2.2σ=0.51 n=30 c=99%

Q: How do we calculate the confidence intervals

A: Confidence interval is the interval that tells the range where the true value of proportion exist.…

Q: A university surveyed recent graduates of the English department for their starting salaries. One…

A:

Q: The mean was found to be 25% and the confidence interval was (20.4%,29.6%) therefore the margin of…

A:

Q: Use the sample results to approximate the margin of error and​ 95% confidence interval.   Sample…

A: Given data: Sample size, n = 64 Sample mean, x¯=69 Sample standard deviation, s=7 The degree of…

Q: Interpret a confidence interval: A survey organization drew a simple random sample of 625 households…

A: The given statement The probability is 0.95 that the mean number of people in 100,000 households is…

Q: A 90% confidence interval for a population mean is (10, 20). What is the margin of error of the…

A: Given  alpha=0.10,  CI=(10,20)

Q: 95% ci

A: We are givensample mean xˉ=33.2Sample sds=7.2sample sizen=16Confidencec=0.95Hence level of…

Q: The average hour spent in computer by 20 senior high school students during online class is 7 hours…

A: Given ,