Question

es in a certain stock
Compute the arithmetic average if the changes in the prices of securities in a cere
exchange are as follows:
% Changes in Price
Frequency
30
119
10 and over
8 to 10
6 to 8
4 to 6
2 to 4
0 to 2
O to - 2
-2 to-4
– 4 to 6
- 6 to 8
- 8 and under
346
149
100
74
31
N = 1075.​

Answer 1

Answer:

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Answer 2

Answer:

can any one solve this please??