The national distribution of scores on the Advanced Placement (AP) examination in statistics (out of a possible 5points) is provided in the following table.Score1 or 235Percentage40%25%23%12%A simple random sample of 100 high school students who took the AP exam in statistics is taken from the highschools in a certain school district. The observed counts based on this sample of students are provided in thefollowing table.Score1 or 2345Count18193726The chi-square statistic for these data equals 38.4. What do we know about the P-value for testing if the nationalmodel can be used for students in this school district?P-value < 0.005P-value > 0.005Can't tell

The chi square test statistic is 38.4.

Answered: The national distribution of scores on…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Suppose you are interested in knowing the proportion of Texas A&M students who have their own subscription to Netflix. Everyone in a class of 77 students takes a random sample of 100 Texas A&M students and asks them if they have their own Netflix subscription. Each person calculates the proportion of their sample with a subscription and we make a histogram of the 77 proportions. What kind of distribution would be displayed in that histogram? a. Population Distribution b. Sampling Distribution c. Data Distribution d. Parent Distribution e. More than one of the above
An English professor assigns letter grades on a test according to the following scheme. A: Top 13%13% of scores B: Scores below the top 13%13% and above the bottom 61%61% C: Scores below the top 39%39% and above the bottom 20%20% D: Scores below the top 80%80% and above the bottom 10%10% F: Bottom 10%10% of scores Scores on the test are normally distributed with a mean of 72.872.8 and a standard deviation of 7.37.3. Find the numerical limits for a D grade. Round your answers to the nearest whole number, if necessary.
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