The average IQ of a group of researchers is quoted to be 260. Thinking that this figure is too large, consulting firm tested a random sampleof 8 researchers and found that the average IQ was 250 with s=8. Test at a level of significance of 1%.
Null Hypothesis: H0 : µ = 260 and that the average IQ of the population is …
The detailed step by step solution is given to the posted problem. The solution is explained with every minute detail so that the student could use this solution as a model to solve other problems of the same model.