Author Question: Mass marketing is especially effective for ____________________ goods such as gasoline, which are ... (Read 54 times)

azncindy619 · **on:** Jun 24, 2018

Mass marketing is especially effective for ___________________ _ goods such as gasoline, which are difficult to differentiate from the competition except through price and availability.
Fill in the blank(s) with correct word

Question 2

The Spearman rank correlation coefficient is equal to Pearson's correlation coefficient based on the ___________________ _ of the data.
Fill in the blank(s) with correct word