Two samples are taken with the following sample means, sizes, and standard deviations
¯ x 1 = 37 ¯ x 2 = 39
n 1 = 73 n 2 = 48
s 1 = 3 s 2 = 5
Estimate the difference in population means using a 90% confidence level. Use a calculator, and do NOT pool the sample variances. Round answers to the nearest hundredth.
< μ 1 − μ 2<
Two samples are taken with the following sample means, sizes, and standard deviations ¯ x 1...
Two samples are taken with the following sample means, sizes, and standard deviations ¯x1 = 25 ¯x2 = 23 n1 = 54 n2 = 73 s1 = 5 s2 = 3 Estimate the difference in population means using a 88% confidence level. Use a calculator, and do NOT pool the sample variances. Round answers to the nearest hundredth.
Two samples are taken with the following sample means, sizes, and standard deviations 21 = 24 m2 = 31 ni = 60 n2 = 65 $1 = 5 82 = 3 Estimate the difference in population means using a 89% confidence level. Use a calculator, and do NOT pool the sample variances. Round answers to the nearest hundredth. <Hi - 42
Two samples are taken with the following sample means, sizes, and standard deviations 21 = 24 T2 = 31 ni = 60 n2 = 65 $1 = 5 82 = 3 Estimate the difference in population means using a 89% confidence level. Use a calculator, and do NOT pool the sample variances. Round answers to the nearest hundredth. <Mi - 42
Two samples are taken with the following sample means, sizes, and standard deviations ¯x1x¯1 = 24 ¯x2x¯2 = 25 n1n1 = 65 n2n2 = 71 s1s1 = 4 s2s2 = 3 Estimate the difference in population means using a 88% confidence level. Use a calculator, and do NOT pool the sample variances. Round answers to the nearest hundredth. < μ1−μ2μ1-μ2 <
Two samples are taken with the following sample means, sizes, and standard deviations ¯x1 = 32 ¯x2 = 35 n1 = 68 n2= 56 s1 = 3 s2= 4 Estimate the difference in population means using a 96% confidence level. Use a calculator, and do NOT pool the sample variances. Round answers to the nearest hundredth. < μ1−μ2 <
Two samples are taken with the following sample means, sizes, and standard deviations I1 = 24 D9 = 25 n = 72 m2 = 59 81 = 3 89 = 2 Estimate the difference in population means using a 94% confidence level. Use a calculator, and do NOT pool the sample variances. Round answers to the nearest hundredth. 11-12 Box 1: Enter your answer as an integer or decimal number. Examples: 3,-4,5.5172 Enter DNE for Does Not Exist, oo for...
Two samples are taken with the following sample means, sizes, and standard deviations¯x1x¯1 = 33 ¯x2x¯2 = 26n1n1 = 55 n2n2 = 52s1s1 = 3 s2s2 = 4Find a 97% confidence interval, round answers to the nearest hundredth.___ < μ1−μ2μ1-μ2 < ___
Two samples are taken with the following sample means, sizes, and standard deviations x¯1 = 20 x¯2 = 26 n1 = 60 n2 = 72 s1 = 4 s2 = 2 Find a 92% confidence interval, round answers to the nearest hundredth.
I will rate your answer- thank you Two samples are taken with the following sample means, sizes, and standard deviations 21 = 22 +2 = 31 ni = 55 n2 = 68 81 = 2 82 = 4 Estimate the difference in population means using a 88% confidence level. Use a calculator, and do NOT pool the sample variances. Round answers to the nearest hundredth. <H1 - H2< Box 1: Enter your answer as an integer or decimal number. Examples:...
Two samples are taken with the following sample means, sizes, and standard deviations ¯ x1 x¯1 = 31 ¯ x2 x¯2 = 28 n1 n1 = 70 n2 n2 = 46 s1 s1 = 4 s2 s2 = 2 We want to estimate the difference in population means using a 89% confidence level. What distribution does this require? t, df = 108 z NOTE: The more accurate df formula, used above, is: df= ( s 2 1 n1 + s...