Question

*Consider the data set shown below:23, 15, 21, 20, (3x - 5), 20, 16, 15, 13 If the mean of the data set is 17, then what is the value of x?* 1️⃣ 5/3 2️⃣ 5 3️⃣ 10 4️⃣ 7.5​

Answer 1

Answer:

5 is the answer

Step-by-step explanation:

Just add all the numbers and divide it by 9 and after simple calculation you will get the answer

Answer 2

Answer:

The value of x = 5.

Step-by-step explanation:

We know that,

Mean = Average of all observations

Here,

Mean = $\frac{23+15+21+20+3x-5+20+16+15+13}{9}$ = 17

138+3x = 153

3x = 15

x=5

The value of x is 5.

The correct answer is 5