Question 23 50/5 pts 5 2 0 Details For a confidence level of 98%, find the...
D Question 17 0.3 pts What is the critical value za/2 for a 98% level of confidence? (Round to the nearest hundredth) Question 18 0.3 pts What is X2R for a sample of size n-23 at the 95% level of confidence? (Round to the nearest thousandth.) Question 19 0.3 pts What is the margin of error for the confidence interval 0.123 p<.14 thousandth.) 7? (Round to the nearest
Find the critical value zα/2 that corresponds to the given confidence level. 98% zα/2 = _______
> Question 14 0/4 pts 5 4 98 Details You have a set of data that you have labeled as x (explanatory) and y (response). You run summary statistics and get the following. Both variables are quantitative. Summary Statistics Column n Mean Variance Std dev Std error Median Min Max 13 30.615 214.256 14.638 4.06 25 13 55 у 13 4.846 6.641 2.577 0.715 5 -0 9 х Correlation between x and y is 0.588 What is the equation of...
Question 36 4 pts Use the confidence level and sample data to find a confidence interval for estimating the population P. Round your answer to the same number of decimal places as the sample mean. Test scores n-72 x=581, 0 = 6.2, 98% confidence 56.2 <<60.0 0 56.4 < p < 59.8 56.9< < 59.3 56.7 <<59.5
Question 2 ases 5 pts Je Use the confidence level and sample data to find a confidence interval for estimating the population u. Find the margin of error E and round your answer to the nearest tenth. n 49, = 87,5 - 12: 90% confidence Question 4 5 pts Use the confidence level and sample data to find a confidence interval for estimating the population p. Round your answer to the nearest tenth, if necessary. Test scores: n - 100...
14) Find critical values. a) Find the value from table for the indicated confidence level (by using A-2 table). Draw the curve and show all of your work, like we did in the classroom 80% 85% b) Find the value from Table A - 3 for the indicated confidence level and sample size. 95% confidence and n=19 98% confidence and n-22 c) Find the critical values Xi and X(by using A-4 table) that correspond to the given confidence level and...
ol. Find the critical value a/2 needed to construct a confidence interval of the given level with the given sample size. Round the answers to three decimal places. Part 1 of 4 (a) For level 98% and sample size 8 Critical value = х Part 2 of 4 (b) For level 99% and sample size 13 Critical value = Part 3 of 4 (c) For level 99.5% and sample size 28 Critical value = Part 4 of 4 (d) For...
For a confidence level of 99% with a sample size of 29, find the critical t value. Points possible: 1 Unlimited attempts. Score on last attempt: 0. Score in gradebook: 0 Message instructor about this question Submit
Find the critical value t* for the following situations. a) 98 % confidence interval based on df=29. b) 95 % confidence interval based on df=62. a) What is the critical value of t for a 98 % confidence interval with df= 29? b) What is the critical value of t for a 95% confidence interval with df=62?
Question 4 < 0/2 pts 93 94 Details Probability Scores 0.15 0 0.05 1 0.1 2 0.45 3 0.05 9 10 0.1 0.1 13 Find the expected value of the above random variable. Question Help: D Video D Post to forum Submit Question