A BYU professor wishes to determine if ACT score, x , can be used to predict Uni
ID: 3264520 • Letter: A
Question
A BYU professor wishes to determine if ACT score, x, can be used to predict University GPA, y. She randomly samples 30 BYU students and creates this scatterplot of the data:
Based on the output, what is the regression equation?
Use df = 18 (not the correct df).
H0: temperature is not useful for predicting pH of milk
Ha: temperature is useful for predicting pH of milk
Which of the following shows the correct calculation for a 95% confidence interval for ? Use df = 10 (not the correct df).
Use this information to answer the next ten questions.A BYU professor wishes to determine if ACT score, x, can be used to predict University GPA, y. She randomly samples 30 BYU students and creates this scatterplot of the data:
Explanation / Answer
Q1)
a) Option C is Correct. Scatterplot is relatively linear but moderate strength
b) Option A is Correct. H0: ACT is not useful for predicting GPA vs. Ha: ACT is useful for predicting GPA
c) Option D is Correct. Yes, the scatterplot shows a relatively linear pattern
d) Option B is Correct.
y = 2.39+0.04x
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