Download App

Frequency Distribution and Chi Square Statistic (p-2) — Maths (commerce) STD 11 Commerce / Arts — Question

Maharashtra BoardEnglish MediumSTD 11 Commerce / ArtsMaths (commerce)Frequency Distribution and Chi Square Statistic (p-2)4 Marks
Question
Construct a bivariate frequency distribution table of the marks obtained by students in Statistics (X) and English (Y).

Marks in statistics (x)

37

20

46

28

35

26

41

48

32

23

20

39

47

33

27

26

Marks in english (y)

30

32

41

33

29

43

30

21

44

38

47

24

32

31

20

21

Construct a bivariate frequency distribution table for the above data by taking class intervals 20 – 30, 30 – 40, …. etc. for both X and Y. Also find the marginal distributions and conditional frequency distribution of Y when X lies between 30 – 40.

✓

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

Explore more

More "Solve the Following Question.(4 Marks)" from Frequency Distribution and Chi Square Statistic (p-2)→Frequency Distribution and Chi Square Statistic (p-2) — all question types→Maths (commerce) STD 11 Commerce / Arts question papers→Maharashtra Board STD 11 Commerce / Arts question papers→Maharashtra Board question paper generator→

Similar questions

Solve the following linear equations by Cramer’s Rule.

(i) 2x – y + z = 1, x + 2y + 3z = 8, 3x + y – 4z = 1

(i) 2x – y + z = 1, x + 2y + 3z = 8, 3x + y – 4z = 1

→
Calculate 2nd decile and 65th percentile for the following:
x80100120145200280310380400410
f151825274025191687
→
Find a and b if following functions are continuous at the point indicated against them.

$
\begin{aligned}
& f(x)=\frac{32^x-1}{8^x-1}+a, \text { for } x>0 \\
& =2, \text { for } x=0 \\
& =x+5-2 b, \text { for } x<0
\end{aligned}
$
is continuous at $x=0$

→
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.
→
After a meeting, every participant shakeshands with every other participants. If the number of handshakes is 66, find the number of participants in the meeting.
→
Sunil sells his bike worth ₹ 25,000 to Rohit at a profit of $20 \%$. After 6 months Rohit sells the bike back to Sunil at a loss of $20 \%$. Find the total profit percent of Sunil considering both the transactions.
→
Find the square root of the following complex numbers:
2(1 – √3i)
→
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 $\mathrm{x}=\frac{8}{3}$
→
Find the square root of the following complex numbers:
7 + 24i
→
800 people were asked whether they wear glasses for reading with the following results.
Age wear glasses do not wear glasses
≤30 310 90
>30 290 110
Compute the $ϰ^2$ square statistic.
→