Question

QUESTION 13

1. A researcher wanted to see whether there was a preference among students in an Animal Behavior program between studying one of the following species: elephants, foxes, squirrels or chimpanzees. To test that, she asked a sample of students from the program which of the four species they would prefer to study. Which test should be used to analyze these data?
   

   		One-sample t test.
   		Chi-square for goodness of fit.
   		Two-way ANOVA
   		Independent-samples t test

QUESTION 14

1. Which of the following Pearson’s correlation coefficients indicates a stronger linear relationship?

   		0.5
   		0
   		-0.99
   		0.92

QUESTION 15

1. If there is a negative correlation between sleep and coffee consumption, what can be concluded?
   

   		People drink less coffee because they had more sleep.
   		Less sleep is associated with lower coffee consumption.
   		Less sleep is associated with higher coffee consumption.
   		People sleep less because they drank more coffee.

Answer 1

Solution:

13) A sample of students from the program which of the four species would they prefer to study to test this test we used two way ANOVA test.

Two' way ANOVA is to analyse the difference between the means of more than two variables.

A two way ANOVA is used to estimate how the mean of quantitative variable changes according to the level of categarical variable use a two way anova when you want to know how to independent variables in combination effect of dependent variable.

Two' way ANOVA is the correct option

14) The Pearson's correlation coefficient r = -0.99 represents the strongest negative linear relationship between two variables

-0.99 is correct option

15) If there is negative correlation between sleep and coffee we can conclude that less sleep is associated with higher coffee consumption

Less sleep associated with higher coffee consumption. Is correct option