![subject](/tpl/images/cats/mat.png)
Mathematics, 29.03.2021 14:50 happysage12
For each of the studies described in questions 4a) and 4b), indicate the appropriate statistical test for analyzing the relationship between the variables. Assume that the underlying assumptions of the tests have been satisfied.
a)A researcher tested the relationship between college studentsā need for achievement as assessed on a 20-item test and their grade point averages. Explain your decision.
[5 marks]
b)A consumer psychologist studied the relationship between gender and preference for Ford, Chevrolet, and Chrysler cars. One hundred men and 100 women were interviewed and asked which make they preferred. Explain your decision. [5 marks]
A person who claims to have psychic powers tries to predict the outcome of a roll of a die on each of 100 trials. He correctly predicts 21 rolls. Using an alpha level of 0.05 as a criterion, what should we conclude about the personās claim?
![ansver](/tpl/images/cats/User.png)
Answers: 3
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 13:30
Which expression is factored form? x^2+14x+48 a) (x-8)(x-6) b) (x+6)(x-8) c) (x+8)(x-6) d) (x+6)(x+8)
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 23:30
Dots sells a total of 279 t-shirts ($2) and shorts ($4). in april total sales were $670. how many t-shirts and shorts did dots sell?
Answers: 1
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 01:20
Describe how to determine the average rate of change between x = 4 and x = 6 for the function f(x) = 2x^3 + 4. include the average rate of change in your answer.
Answers: 3
You know the right answer?
For each of the studies described in questions 4a) and 4b), indicate the appropriate statistical tes...
Questions
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/fr.png)
French, 22.10.2020 23:01
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/ap.png)
Advanced Placement (AP), 22.10.2020 23:01
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 22.10.2020 23:01
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 22.10.2020 23:01
![question](/tpl/images/cats/mat.png)
Mathematics, 22.10.2020 23:01
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/istoriya.png)
History, 22.10.2020 23:01
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 22.10.2020 23:01
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 22.10.2020 23:01
![question](/tpl/images/cats/mat.png)