Question

find the mean of the following​

Answer 1

Hey mate ! here is your answer ...

Mean of X = 11 + 14 + 15 + 17 + 20 / 5

Mean of Y = 2 + 5 + 6 + 4 + 3 / 5

Hope it is helpful buddy .... ✌

Answer 2

✪ $\huge{\red{\underline{\overline{\mathbf{Question}}}}}$ ✪

→Find the mean of the following

✪ $\huge{\green{\underline{\overline{\mathbf{Answer}}}}}$ ✪

⇒Given:

• $\sum f_ix_i=77$
• $\sum f_i=20$

⇒To Find:

• Mean = $\bar{X}$

⇒Solution:

⇒$\bar{X}=\frac{77}{20}$

⇒$\huge{\pink{\overbrace{\underbrace{\bar{X}=3.85}}}}$

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Formulas Used :-

• $\bar{X}=\frac{\sum f_ix_i}{\sum f_i}$

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