Using the ‘spreadsheet method’ explained earlier in this tutorial (with particular reference to Figure 20.5), calculate the mean IQ score, as well as the lower and upper 95% confidence limits of the...

Using the ‘spreadsheet method’ explained earlier in this tutorial (with particular reference to Figure 20.5), calculate the mean IQ score, as well as the lower and upper 95% confidence limits of the mean IQ score, for the data shown below.

Figure 20.5