2. I'm very interested in the relationship between statistics anxiety and performance in statistics. Let's assume l'm teaching a class and just before the final exam, I administer a survey of statistics anxiety, which I attach to their exam (not particularly anonymous or confidential). Their data are in the table below. 1. What kind of correlation would you expect to see between these two variables and why? 2. Enter the data into SPSS 3. What is the correlation coefficient (r) between stats anxiety and performance on the exam? How do you interpret this? 4. What is R2 , what additional information does this give us? 5. a. Use SPSS to find the regression equation. b. What score on the exam could we predict someone would receive if they scored a 38 on the anxiety questionnaire? Studen Anxiet Fina y 1 28 41 2 41 58 3 35 63 4 39 89 5 31 92 6 42 64 7 50 55 8 46 70 9 45 51 10 37 72

2. I'm very interested in the relationship between statistics anxiety and performance in statistics. Let's assume l'm teaching a class and just before the final exam, I administer a survey of statistics anxiety, which I attach to their exam (not particularly anonymous or confidential). Their data are in the table below. 1. What kind of correlation would you expect to see between these two variables and why? 2. Enter the data into SPSS 3. What is the correlation coefficient (r) between stats anxiety and performance on the exam? How do you interpret this? 4. What is R2 , what additional information does this give us? 5. a. Use SPSS to find the regression equation. b. What score on the exam could we predict someone would receive if they scored a 38 on the anxiety questionnaire? Studen Anxiet Fina y 1 28 41 2 41 58 3 35 63 4 39 89 5 31 92 6 42 64 7 50 55 8 46 70 9 45 51 10 37 72

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Description: Questions 1, 2, & 3 2. I'm very interested in the relationship between statistics anxiety and performance instatistics. Let's assume l'm teaching a class and just before the final exam, I administer asurvey of statistics anxiety, which I attach to th

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

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Concept explainers

Permutations and Combinations

If there are 5 dishes, they can be relished in any order at a time. In permutation, it should be in a particular order. In combination, the order does not matter. Take 3 letters a, b, and c. The possible ways of pairing any two letters are ab, bc, ac, ba, cb and ca. It is in a particular order. So, this can be called the permutation of a, b, and c. But if the order does not matter then ab is the same as ba. Similarly, bc is the same as cb and ac is the same as ca. Here the list has ab, bc, and ac alone. This can be called the combination of a, b, and c.

Counting Theory

The fundamental counting principle is a rule that is used to count the total number of possible outcomes in a given situation.

Topic Video

Question

Questions 1, 2, & 3

2. I'm very interested in the relationship between statistics anxiety and performance in
statistics. Let's assume l'm teaching a class and just before the final exam, I administer a
survey of statistics anxiety, which I attach to their exam (not particularly anonymous or
confidential). Their data are in the table below.
1. What kind of correlation would you expect to see between these two variables and
why?
2. Enter the data into SPSS
3. What is the correlation coefficient (r) between stats anxiety and performance on
the exam? How do you interpret this?
4. What is R2 , what additional information does this give us?
5. a. Use SPSS to find the regression equation. b. What score on the exam could we
predict someone would receive if they scored a 38 on the anxiety questionnaire?
Studen
Anxiet
Fina
y
1
28
41
2
41
58
3
35
63
4
39
89
5
31
92
6
42
64
7
50
55
8.
46
70
9.
45
51
37
72
10

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