CH10 4-State the null and research hypotheses for the examples you came up with in question #1 above. Chapter 10 Exercise: Z-Test 1-You are a psychological examiner for a school- the last class you...

CH10 4-State the null and research hypotheses for the examples you came up with in question #1 above.

Chapter 10 Exercise: Z-Test

1-You are a psychological examiner for a school- the last class you tested had an IQ mean of 134 and had 34 students- the mean IQ of the entire school is 127 with a standard deviation of 8.  Compute analysis to report if the last class you test is statistically significant different that the rest of the school in t