# math mathematics

The lists show the number of letters jn each of the twenty words randomly selected from text books.
{2,4,6,5,4,3,5,4,5,7,5,4,1,2,4,1,5,3,4,2}

Seventh
{5,4,9,7,5,12,5,3,4,6,7,1,5,6,8,4}

How do the word lengths compare between thr Seventh grade text book and the third grade textbook?
A) the words in the third grade textbook are, on average, about 1 letter longer than the Seventh grade text book words.
B) the words in thr Seventh grade text book are about 1 ldtter longer than the words in the Seventh grade text book.
C) the words in the third grade text book are, on average 2 letters longer than the words in thr Seventh grade text book.
D) the words in the Seventh grade text book are on average 2 letters longer that the words in the third grade book.

2) which best describes the variability in the length of words in yhe Seventh grade textbook compared to the third grade textbook?
A) the mean absolite deviation is smaller in thr third grade text book, do the words tend to vary more in length in the 7th grade textbook.
B) the mean absolute deviation is smaller in the sm7th grade text book so the words tend to vary more in length.

C) the mean absolute deviation is larger in the third grade textbook so thr words vary more

D) the mean absolute deviation is larger in the Seventh grade textbook so thr words tend to vary more.

Sorry for the misspelling I got lazy, PLS HELP ASAP

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1. plsss

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2. take all the numbers from the first example, then divide it by however many numbers were taken. then, do the same thing for the second example. third grade should be 3.8, and seventh grade should be 5.9. from there, i think you could figure out the rest on your own.

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