District falls right on the national norm

Reference no: EM131852665

Mr. Ratigan wishes to compare the performance of first-grade students in his district with the national norm of 100 on a widely used IQ test. The results for a random sample of his first graders lead him to retain H0: 100 ( .01) for his population. He concludes,"My research proves that the average first grader in our district falls right on the national norm of 100." Any comment? Compare what we learn when we reject H0 with what we learn when we retain H0.

Reference no: EM131852665

Questions Cloud

What is the probability of obtaining : The Wechsler Adult Intelligence Scale is standardized to have a mean of 100 and a standard deviation of

Difference in individual and institutional discrimination : Explain the difference between individual and institutional discrimination, giving examples of each type of discrimination. Then explain how these forms.

One-tailed test on the basis : 1. Why is it inadequate to choose a one-tailed test on the basis that we expect the outcome to be in that direction?

Discuss how and why the categories apply to world war i : Discuss how and why these categories apply to World War I, and examine the ways in which the novel All Quiet on the Western Front illustrates this.

District falls right on the national norm : Mr. Ratigan wishes to compare the performance of first-grade students in his district with the national norm of 100 on a widely used IQ test.

Qualifies for three-year MACRS depreciation : The Summit Petroleum Corporation will purchase an asset that qualifies for three-year MACRS depreciation. Calculate the net present value.

Describe the selected health problem and the population : Briefly describe the selected health problem and the population. Be sure to select a health problem that has not already been addressed in other assignments.

Explain how the watergate events changed american views : Explain how the Watergate events changed American views toward politics and politicians. In your view, how did events change the press coverage of politicians?

Terms of the slope of the regression equation : Another regression equation reads: Y .25X 5. (a) Could the X and Y scores to which this equation refers be in standardscore form? Explain.

User Account

All Pages