Question

Please help me find the answe asap

Answer 1

B

Explanation:

the mean is calculated as

mean =
`(sum)/(count)`

this year's mean =
`(7+3.3+2)/(3)` =
`(12.3)/(3)` = 4.1

last year's mean =
`(5.3+1.6+2.4)/(3)` =
`(9.3)/(3)` = 3.1

difference = 4.1 - 3.1 = 1