- +1-530-264-8006
- info@tutorsglobe.com

Standard deviation of the population

Worldwide it is understood that IQ scores follow a normal distribution. It is assumed that the middle 95% of the population has an IQ between 70 and 130 with a mean of 100. Use this information to determine the following:

A. What is the standard deviation of the population?

B. What IQ score corresponds to the 90th percentile?

C. What percentile corresponds to a score of 75

Expected delivery within 24 Hoursrs

18,76,764

Questions

Asked

21,311

Experts

9,67,568

Questions

Answered

Start Excelling in your courses, Ask an Expert and get answers for your homework and assignments!!

Submit Assignment
## Q : What are the values of the test statistic

What are the values of the (1) test statistic, (2-3) critical values and the (4) smallest level of significance at which the null hypothesis can still be rejected when a 5% level of significance is used?