Other location identifier, if any (e.g., figure number, table number, footnote number, etc.): under the folder of "t-interval for paired data"
Original text: Since the book price data are paired (the price of the same book at the two stores are not independent), rather than using individual variables for the prices from each store, you will look at the a single variables of the differences in price.
Suggestion for corrected text: Since the book price data are paired (the price of the same book at the two stores are not independent), rather than using individual variables for the prices from each store, you will look at the single variables of the differences in price.
Chapter number: tutorial 05
Section number: 05-infer-06
Other location identifier, if any (e.g., figure number, table number, footnote number, etc.): under the folder of "t-interval for paired data"
Original text: Since the book price data are paired (the price of the same book at the two stores are not independent), rather than using individual variables for the prices from each store, you will look at the a single variables of the differences in price.
Suggestion for corrected text: Since the book price data are paired (the price of the same book at the two stores are not independent), rather than using individual variables for the prices from each store, you will look at the single variables of the differences in price.
Justification for suggestion: delete "a"