5. The following random sample was selected from a normal distribution: 5 20 18 3 10...
The random sample shown below was selected from a normal distribution: 9, 4, 3, 7, 10, 3 a.) construct a 90% confidence interval for the population mean ų (__,__)
the random sample shown below was selected from a normal distribution 7, 6 , 5 , 6 , 9, 3 a.) construct a 90% confidence interval for the population mean u (__,__)
the random sample shown below was selected from a normal distribution 7, 6 , 5 , 6 , 9 , 3 a.) construct a 90% confidence interval for the population. mean U (__,__) b assume that sample mean x and sample standard deviation s remain exactly the same as those just calculated but that are based on a sample of n=25 observations. What is the effect of increasing the sample size in the width of the confidence intervals?
The random sample shown below was selected from a normal distribution. 8,3,8,5,9,3 Complete parts a and b. a. Construct a 99% confidence interval for the population mean μ. left parenthesis nothing comma nothing right parenthesis, (Round to two decimal places as needed.)
The random sample shown below was selected from a normal distribution. 3, 10, 4, 6, 8, 5 a. Construct a 95% confidence interval for the population mean mu. (Round to two decimal places as needed.) b. Assume the sample mean x and sample standard deviation s remain exactly the same as those who just calculated but that are based on a sample of n=25 observations. repeat part a. what is the effect of increasing the sample size on the width...
The random sample shown below was selected from a normal distribution. 4, 9, 7, 3, 5, 8 Complete parts a and b. a. Construct a 95% confidence interval for the population mean ,. 5.00 6.99 (Round to two decimal places as needed.) Enter your answer in the edit fields and then click Check Answer 2 parts remaining
The random sample shown below was selected from a normal distribution. 8, 10, 6, 4, 5, 3 O Complete parts a and b. a. Construct a 95% confidence interval for the population mean u. OD (Round to two decimal places as needed.) b. Assume that sample mean x and sample standard deviations remain exactly the same as those you just calculated but that are based on a sample of n = 25 observations. Repeat part a. What is the effect...
The random sample shown below was selected from a normal distribution 7, 3, 9, 8, 3,6 Complete parts a and b. a. Construct a 95% confidence interval for the population mean μ (Round to two decimal places as needed.) b. Assume that sample mean x and sample standard deviation s remain exactly the same as those you just calculated but that are based on a sample of n -25 observations. Repeat part a. What is the effect of increasing the...
The random sample shown below was selected from a normal distribution. 3,6,8,3,8,8 Complete parts a and b. a. Construct a 99% confidence interval for the population mean μ. (Round to two decimal places as needed.)
2. 22 random samples were selected from a population that has a normal distribution. The sample (1 point) has a mean of 99 and a standard deviation of 5 . Construct a 95% confidence interval for the population standard deviation 76 < σ < 141 3.What are the critical values 2? and 2 that correspond to a 99% confidence level and a (lpom) sample size of 30? 13.121, 52.336 13.787, 53.672 14.257, 49.588 19.768, 39.087