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number line: 0 1 2 3 4 5 6 7 8 9 10
number of pets anna asked her classmates how many pets they have. this line plot shows the results. find the mean number of pets. process: each x represents a number. write down the numbers that the x's represent. add the numbers together. divide by the number of x's. remember, "0" still counts as a number! (1 point) responses 2.39 2.39 4.3 4.3 2.87 2.87 4.78
The numbers represented by the x's are 2, 3, 4, 5, 5, 5, 5, 6, 6, 6, 6, 7, 7, 7, 7, 7, 8, 9, 9, 9, 10.
Adding them together:
2 + 3 + 4 + 5 + 5 + 5 + 5 + 6 + 6 + 6 + 6 + 7 + 7 + 7 + 7 + 7 + 8 + 9 + 9 + 9 + 10 = 125
Dividing by the number of x's:
125 / 21 = 5.95
Therefore, the mean number of pets is 5.95.