The variables, quantitative or qualitative, whose effect on a response variable is of interest are called __________.
A) the experimental units B) factors
C) the treatments D) the factor level
Question 2
A computer package was used to generate the following printout for estimating the mean sale price of homes in a particular neighborhood.
X = sale_price
SAMPLE MEAN OF X = 46,400
SAMPLE STANDARD DEV = 13,747
SAMPLE SIZE OF X = 15
CONFIDENCE = 90
UPPER LIMIT = 52,650.6
SAMPLE MEAN OF X = 46,400
LOWER LIMIT = 40,149.4
At what level of reliability is the confidence interval made?
A) 45 B) 90 C) 10 D) 55