Determine the 95% confidence interval for the difference of the sample means. Then complete the statements. The 95% confidence i nterval is to. The value of the sample mean difference is 1. 74, which falls the 95% confidence interval.
1 answer:
Answer:
Confidence Level z*-value
90% 1.645 (by convention)
95% 1.96
98% 2.33
99% 2.58
Step-by-step explanation:
Thus, the difference in sample means is 0.1, and the upper end of the confidence interval is 0.1 + 0.1085 = 0.2085 while the lower end is 0.1 – 0.1085 = –0.0085.
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