Question

The distribution was created using 1000 bootstrap statistics. Use the distribution to estimate a? 99% confidence interval for the mean IQ for the population. Round your answers to one decimal place.

IQ Scores A sample of 10 IQ scores was used to create the bootstrap distribution of sample means in Figure 1 # sample 1000 mean 100.104 st.dev. 4.798 80 | Left Tail 70 60 50 40 30 20 10 Two-Tail Eight Tail 085 90 95 100 105 110 115 100.104 Figure 1 Bootstrap distribution of sample means of IQ scores

The 99% confidence interval is ______ to ______.

Note - Please solve it for 99% CI, not 95% CI.

Answer 1

The bootstrap distribution of sample means of IQ scores is as follows: from the above distribution, the mean is 100.104 and standard deviation is 4.798. the bootstrap distribution used 1000 samples, the middle 99% of the values include 990 bootstrap means, leaving just five values in each of the tails. The boundaries are marked as follows: The 99% confidence interval is 88 to 112.