Calculate the single-sided upper bounded 99% confidence interval for the population mean (mu) given that a...
Calculate the single-sided upper bounded 95% confidence interval for the population mean (mu) given that a sample of size n=12 yields a sample mean of 15.18 and a sample standard deviation of 3.89. Yanıtınız: O mu < 16.76 O mu < 17.67 O mu < 16.21 O mu < 17.20 mu < 16.03 mu < 17.36 mu< 18.92 O mu < 16.87 mu < 17.58 mu< 17.76
Question 3 Calculate the single-sided upper bounded 95% confidence interval for the population mean (mu) given that a sample of size n=5 yields a sample mean of 8.78 and a sample standard deviation of 0.54. Your answer: mu < 9.06 mu<8.82 mu < 9.74 mu < 9.79 mu < 9.22 mu < 9.29 mu < 9.11 mu < 9.69 mu < 9.22 mu < 8.92
Question 2 Calculate the two-sided 90% confidence interval for the population mean (mu) given that a sample of size n=13 yields a sample mean of 10.55 and a sample standard deviation of 0.95. Your answer: 10.45 <mu < 10.65 9.93 <mu < 11.17 10.03 <mu < 11.07 O 10.15<mu < 10.95 O 9.93 <mu < 11.17 9.68 <mu < 11.42 O 10.01 <mu < 11.09 10.03 <mu < 11.07 10.19 <mu < 10.91 O 10.08 < mu < 11.02 Clear...
Question 5 Calculate the two-sided 95% confidence interval for the population standard deviation (sigma) given that a sample of size n=10 yields a sample standard deviation of 12.29. Your answer: O 11.64 < sigma <33.17 8.45 < Sigma <22.44 10.63 < Sigma < 15.74 9.29 < Sigma <23.64 5.28 < sigma <29.78 1.08 < sigma <31.24 11.07 < sigma 16.03 12.20 < Sigma 19.97 14,71 < sigma < 10,43 11.30 < sigma < 13.61
Consider a two-sided Z interval for population mean ?. How will the length of the confidence change if the sample of size n is doubled the sample size reduces to n/12
Construct a 99% confidence interval to estimate the population mean using the following data. What assumptions need to be made to construct this interval? x=88 20 n 11 What assumptions need to be made to construct this interval? Tre O A. The population mean will be in the confidence interval. en OB. The sample size is less than 30. et c . The population must be normally distributed. D. The population is skewed to one side. With 99% confidence, when...
7. A 99% confidence interval (in inches) for the mean height of a population is 65.89 <u< 67.51. This result is based on a sample of size 144. If the confidence interval 66.11<u<67.29 is obtained from the same sample data, what is the degree of confidence?
99% confidence interval for the mean are assuming that the population standard deviation for the number of soft drinks consumed each week is 0.9. the study found that for a sample of 1097 teenagers the mean number of soft drinks consumed per week is 6.3. construct the desired confidence interval. round to one decimal place. Lower and Upper endpoint?
Construct a 99% confidence interval to estimate the population mean using the data below. X = 46 o = 12 n42 With 99% confidence, when n = 42 the population mean is between a lower limit of (Round to two decimal places as needed.) and an upper limit of Construct a 95% confidence interval to estimate the population mean with X = 102 and o = 25 for the following sample sizes. a) n = 32 b) n = 45...
The confidence interval lower limit and upper limit for a population mean are (43.5, 47.9). What is the sample mean and the margin of error for the sample.A sample of size 36 with ¯xx¯ = 45.7 and ss = 12.4 is used to estimate a population mean μμ. Find the 70% confidence interval for μμ. Sample mean = Margin of error =