Typo - Chp [tutorial 05], Sec [05-infer-04], ["repeat" should be changed to "repeating"]

[jqzjqz0707]

• Chapter number: tutorial 05

• Section number: 05-infer-04

• Other location identifier, if any (e.g., figure number, table number, footnote number, etc.): under the folder of "Goodness of fit"

• Original text: What we need to do next is repeat this many times to build up a null distribution of chi-squared statistics.

• Suggestion for corrected text: What we need to do next is repeating this many times to build up a null distribution of chi-squared statistics.

• Justification for suggestion: Based on grammar, "repeat" should be changed to "repeating"

[mine-cetinkaya-rundel]

The original grammar is correct, so I'll leave as is.