The lists show the number of letters jn each of the twenty words randomly selected from text books.

Third grade.
{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

To compare the word lengths between the third grade textbook and the seventh grade textbook, we can calculate the mean and the mean absolute deviation for each dataset.

1) To find the average word length for each set of data:
For the third grade textbook:
- Add all the values together: 2 + 4 + 6 + 5 + 4 + 3 + 5 + 4 + 5 + 7 + 5 + 4 + 1 + 2 + 4 + 1 + 5 + 3 + 4 + 2 = 87
- Divide the sum by the number of values: 87 / 20 = 4.35

For the seventh grade textbook:
- Add all the values together: 5 + 4 + 9 + 7 + 5 + 12 + 5 + 3 + 4 + 6 + 7 + 1 + 5 + 6 + 8 + 4 = 101
- Divide the sum by the number of values: 101 / 16 = 6.3125

So, the average word length for the third grade textbook is approximately 4.35 letters, while the average word length for the seventh grade textbook is approximately 6.3125 letters.

Based on this information, we can answer the questions:

1) The words in the third grade textbook are, on average, about 1.9625 (approximately 2) letters shorter than the words in the seventh grade textbook. So the correct answer is C) the words in the third grade textbook are, on average, 2 letters shorter than the words in the seventh grade textbook.

2) To find the mean absolute deviation (MAD) for each dataset:
For the third grade textbook:
- Calculate the difference between each value and the mean: |2 - 4.35|, |4 - 4.35|, |6 - 4.35|, ..., |2 - 4.35|
- Add up all the differences: sum of differences = 15.5
- Divide the sum by the number of values: 15.5 / 20 = 0.775

For the seventh grade textbook:
- Calculate the difference between each value and the mean: |5 - 6.3125|, |4 - 6.3125|, |9 - 6.3125|, ..., |4 - 6.3125|
- Add up all the differences: sum of differences = 19.125
- Divide the sum by the number of values: 19.125 / 16 = 1.1953125

The mean absolute deviation (MAD) measures the average absolute difference from the mean. A smaller MAD indicates less variability in the data.

2) The mean absolute deviation is larger in the seventh grade textbook, so the words tend to vary more in length in the seventh grade textbook. Therefore, the correct answer is D) the mean absolute deviation is larger in the seventh grade textbook, so the words tend to vary more.

Please note that the calculations and answers provided here are based on the information and data given in the question.

plsss

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.