Question in the pic No links pls Thnx Q 6 If xi's - Maths - Statistics

Question

Question in the pic
No links pls Thnx
Q 6 If x i 's are the mid-points of the class intervals of grouped
data, f i 's are corresponding frequencies and x ¯ is the
mean, find the value of ∑ f i x i - x ¯

Ankita Agarwal · Accepted Answer

Dear Student,

Refer the link for the answer similar to your query:

https://www meritnation
com/ask-answer/question/if-xi-s-are-the-mid-points-of-the-class-interval-of-grouped/statistics/3586382

Regards

Question in the pic... No links pls.... Thnx Q.6. If x i 's are the mid-points of the class intervals of grouped data, f i 's are corresponding frequencies and x ¯ is the mean, find the value of ∑ f i x i - x ¯ .

Question in the pic...
No links pls.... Thnx
Q.6. If $x_{i}$ 's are the mid-points of the class intervals of grouped data, $f_{i}$ 's are corresponding frequencies and $\bar{x}$ is the mean, find the value of $\sum_{} (f_{i} x_{i} - \bar{x})$ .