Solution
Given that ,
n = 18
Degrees of freedom = n - 1 = 1 - 18 = 17
= 1 - 0.96 = 0.04
/ 2 = 0.02
t 0.02,17 = 2.2238
Critical value of t *= 2.2238
7.1: Identify the critical t. An independent random sample is selected from an approximately normal population...
Identify the critical t. An independent random sample is selected from an approximately normal population with unknown standard deviation. Find the degrees of freedom and the critical t value t∗t∗ for the given sample size and confidence level. Round critical t values to 4 decimal places. Sample size, n Confidence level Degree of Freedom Critical value, t∗t∗ 22 90 11 95 3 98 20 99
(8 points) Identify the critical t. An independent random sample is selected from an approximately normal population with unknown standard deviation. Find the degrees of freedom and the critical t value t* for the given sample size and confidence level. Round critical t values to 4 decimal places. Sample size, n Confidence level Critical value, t* Degree of Freedom 12 90 28 95 4. 98 3 99
1) (8 points) Identify the critical t. An independent random sample is selected from an approximately normal population with unknown standard deviation. Find the degrees of freedom and the critical t value ?∗t∗ for the given sample size and confidence level. Round critical t values to 4 decimal places. (8 points) Identify the critical t. An independent random sample is selected from an approximately normal population with unknown standard deviation. Find the degrees of freedom and the critical t value...
(8 points) Identify the critical t. An independent random sample is selected from an approximately normal population with unknown standard deviation. Find the degrees of freedom and the critical t value t* for the given sample size and confidence level. Round critical t values to 4 decimal places. Sample size, n Confidence level Degree of Freedom Critical value, t* -1.4398 7 906 5 95 -2.1318 -2.2137 19 98 18 3992 99 -6.9646 Help Entering Answers Preview My Answers Submit Answers
Explain how to find the critical value, T* with a graphing TI-84 calculator. round critical t-Values to 4 decimal places (8 points) Identify the critical t. An independent random sample is selected from an approximately normal population with unknown standard deviation. Find the degrees of freedom and the critical t value t* for the given sample size and confidence level. Round critical t values to 4 decimal places. Critical value, t* Sample size, n Confidence level 19 9 0 24...
An independent random sample is selected from an approximately normal population with an unknown standard deviation. Find the p-value for the given sample size and test statistic. Also determine if the null hypothesis would be rejected at α = 0.01. (a) n= 26, T= 2.485 (b) n=18, T= 0.5
An independent random sample is selected from an approximately normal population with an unknown standard deviation. a) Given the sample mean = 24.3, sample standard deviation = 8.5, and sample size = 32, compute the standard error. The standard error = b) Using a confidence coefficient of 2.04, compute the confidence interval. The 95% confidence interval goes from to (Enter the smaller number first.) c) Based on the confidence interval above, which of the following values are plausible? (Choose all...
I got all the answers correct except for the one highlighted in red. What is the correct answer for the one in red. (8 points) Identify the critical t. An independent random sample is selected from an approximately normal population with unknown standard deviation. Find the degrees of freedom and the critical t value t*for the given sample size and confidence level. Round critical t values to 4 decimal places. Sample size, n Confidence leveDegree of Freedom Critical value,t Critical...
A random sample is selected from an approximately normal population with an unknown standard deviation. For each the given set of hypotheses, sample sizes and t-statistics, find the p-value, draw a t-curve and shade the region of which the area the p-value indicates. As it’s not possible to find the precise p-values using a t-table, it suffices to give a range. (a) HA : μ > 0.5, n=26, T =2.6 (b) HA : μ ≠ 0.5, n=26, T = 2.6...
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