To find the sample mean of ball 2 and ball 4, we need to add the weights of the two balls and then divide by 2 (since we are finding the mean of two values).
Weight of ball 2 = 7
Weight of ball 4 = 9
(7 + 9) / 2 = 16 / 2 = 8
Therefore, the sample mean of ball 2 and ball 4 is 8.
Use the table to answer the question. Ball 1 2 3 4 5 6 Weight 12 7 8 9 10 11 The table shows the bowling ball options at a local bowling alley. What is the sample mean of ball 2 and ball 4? (1 point)
1 answer