Question
Find correlation coefficient from the following data. [Given: √3 = 1.732]

X

3

6

2

9

5

Y

4

5

8

6

7

Answer

Get the step-by-step solution for this question inside the Vidyadip app.

Get the answer in the app

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

Nilesh has the option of investing his money in $8 \% ₹ 10$ shares at a premium of $₹ 3.50$ or $7 \%$ $₹ 100$ shares at a premium of $20 \%$. Which of the two investments will be more profitable for him?
Five balls are to be placed in three boxes, where each box can contain upto five balls. Find the number of ways if no box is to remain empty.
Test the continuity of the following functions at the points indicated against them.$f(x)=4 x+1$ for $x \leq \frac{8}{3}$ $=\frac{59-9 x}{3}$, for $\mathrm{x}>\frac{8}{3}$, at $\mathrm{x}=\frac{8}{3}$
The mean height of 200 students is 65 inches. The mean heights of boys and girls are 70 inches and 62 inches respectively and the standard deviations are 8 and 10 respectively. Find the number of boys and combined S.D.
Weekly wages for a group of 100 persons are given below:
Wages (in ₹) 0-500 500-1000 1000-1500 1500-2000 2000-2500
No Of Presons 7 ? 25 30 ?
$D_3$ for this group is ₹ 1100. Calculate the missing frequencies.
Find 4 numbers in G. P. such that the sum of the middle 2 numbers is $\frac{10}{3}$ and their product is 1.
Find the variance and S.D. for the following set of numbers.
7, 11, 2, 4, 9, 6, 3, 7, 11, 2, 5, 8, 3, 6, 8, 8, 2, 6
Daily income for a group of 100 workers are given below:
Daily In-Income (In) 0-50 50-100 100-150 150-200 200-250
No. of persons 7 ? 25 30 ?
$P_{30}$ for this group is ₹ 110. Calculate the missing frequencies.
Find the square root of the following complex numbers:
2(1 – √3i)
Given the following information, $\Sigma x_i^2=90, \Sigma x_i y_i=60, r=0.8, \sigma_y=2.5$, where $x_i$ and $y_i$ are the deviations from their respective means, find the number of items.