Question

Summary statistics are given for independent simple random samples from two populations. Use the pooled t-tes conduct the required hypothesis test. 8) x1 = 13, 51 =5, n1 = 10, x2 = 21, 52 = 4, n2 = 14 Perform a left-tailed hypothesis test using a significance level of a = 0.05. A) Test statistic t = -1.526526 B) Test statistic t -4.355 Critical value-1.717 Critical value=-2.074 0.05 <P<0.10 P<0.005 Do not reject Ho Reject Ho C) Test statistic t -0.916,916 D) Test statistic t -4.355 Critical value-2.074 Critical value -1.717 P-value > 0.100.100.005 P<0.005 Do not reject Ho Reject Ho

Answer 1

slylando Given that -13, S, -5,7,10 $ =1,5 h, ņ14 3. (n-1) s? + (0-1) 52 nith 2 (10-11 5² + (14-1) 42 10+14-2 = 19.6818 test Statisti's are: 13-21 S196818 (16+) 1.8368 colitical value = -1.717 p20.005 Refect Ho the corect option is o