Help please A.S.A.P 7s=-49
2 answers:
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14.94 cm ( to 2 dec. places )
We require the sum totals of the 2 groups before calculating the mean of all 14
using mean =
Children's sum
12.6 = ( cross-multiply )
sum = 6 × 12.6 = 75.6
Adult's sum
16.7 = ( cross- multiply )
sum = 8 × 16.7 = 133.6
Total sum of all 14 = 75.6 + 133.6 = 209.2
mean = = 14.94 cm
Answer:
B. 108 calories
Step-by-step explanation:
The mean number of a data set is
Corn chips: 230 calories
Popcorn: 25 calories
Potato chips: 115 calories
Pretzels: 62 calories
Thus,
The sum of all calories
The number of productrs = 4
The mean number of calories