Question

2. Find the mean of the following distribution table.

x 5 15 25 35 45

f 10 8 20 10 12​

Answer 1

Answer:

The mean for the given table is 25.

Explanation:

Given table :

Xi     5     15     25    35     45

Fi     6     4        9      6         5

                                           

XiFi 30   60   225   210    225

Hence, the value of mean is 25.

The arithmetic mean of the following data is 25, find the value of k.

xi:

5

15

25

35

45

fi:

3

k

3

6

Answer 2

Answer:

is 8n pics

Step-by-step explanation:

hope this is helpful