Challenger App

No.1 PSC Learning App

1M+ Downloads

ചതുരംശ വ്യതിയാനം കണ്ടെത്തുക :

x

150

200

190

210

230

180

f

5

5

8

10

5

7

A20

B15

C10

D25

Answer:

B. 15

Read Explanation:

x

f

cf

150

5

5

180

7

12

190

8

20

200

5

25

210

10

35

230

5

40

40

N= 40

$Q_1 = (\frac{N+1}{4})^{th} value = 10.25^{th} value$

$Q_1 = 180$

$Q_3 = 3 \times (\frac{N+1}{4})^{th} value = 30.75^{th} value$

$Q_3 = 210$

$QD = \frac{Q_3 - Q_1}{2}$

$QD = \frac{210 -180}{2} = 15$


Related Questions:

Calculate the mean of the following table:

Interval

fi

0-10

6

10-20

5

20-30

7

30-40

8

40-50

3

താഴെ തന്നിട്ടുള്ളവയിൽ സന്ദുലിത മാധ്യത്തിന്റെ ശരിയായ സൂത്രവാക്യം ഏത്?
find the mode of the given values : 2, 1, 3, 5, 7, 9, 11, 18, 2, 4, 2, 6, 2, 16, 15, 2, 4 ,2 ,2 , 6,
Three coins are tossed once. Let A denote the event “three heads show”, B denote the event “two heads and one tail show”. C denote the event “three tails show” and D denote the event ‘a head shows on the first coin”. Which events are mutually exclusive?
Find the mean of the prime numbers between 9 and 50?