Code 1812 suppose you wish to test if a number cube

Problem Code: 1812
Suppose you wish to test if a number cube (die) is loaded or not. If the die is not loaded, the theoretical
probabilities for each roll should be:
1 2 3 4 5 6
16 2/3 % 16 2/3 % 16 2/3 % 16 2/3 % 16 2/3 % 16 2/3 %
You roll the die 84 times and come up with the following distribution:
1 2 3 4 5 6
12 11 20 12 15
Part a: What type of test should be used in this situation?
Part b: State the hypothesis.
Part c: What is the test statistic?
Part d: Find the -value and state your conclusion.
14
a)
I have placed my work and my answer on my answer sheet.
b)
I want to have points deducted from my test for not working this problem.
Question 19
Your answer is CORRECT.
This is a written question, worth 10 points. DO NOT place the problem code on the answer sheet. A
proctor will fill this out after exam submission. Show all steps (work) on your answer sheet for full credit.
Problem Code: 1953
The following data are for intelligence-test (IT) scores, reading rates (RR), and grade-point averages (GPA) of 8
at-risk students.
IT 155 171 210 198 172 183 182 169
RR 46 33 39 24 30 36 46 23
GPA 3.0 2.2 2.4 1.5 1.9 2.4 2.9 1.3
Part a : Calculate the line of best fit that predicts the GPA on the basis of RR scores.
Part b : Calculate the line of best fit that predicts the GPA on the basis of IT scores.
Part c : Which of the two lines calculated in parts a and b best fits the data? Justify your answer.
a) I have placed my work and my answer on my answer sheet.
b)
I want to have points deducted from my test for not working this problem.