Question65::Which of the following statement is/are properties of the Normal distribution?
1, The mean > median of the normal distribution
2, Mean 25 covers 95.45% area and Mean 232 covers 97.75% of the area
3. The Normal curve has only one mode value
4, The Normal curve never touches the x axis
A:Only statement 1 and 2 are correct
B:-Only statement 3 and 4 are correct
ലിം statements are correct,
D:-All the statements are false
Correct Answer: Option ®

Question66::Which of the following formula can be used to find skewness?

3(mean median)
Standard Deviation

छः
24mean - median)
taal Deviation

3
(mean median)
‘Sandand Deviation

Simean- mode)
anand Deviation

Correct Answer: Option:

Question67:-Match the following :

i) tes (a) SoH

(i) ttest (a) =

(ii) Fdistribution (0) ‏انه‎ Pearson

(ii) Chi-Square (c) George Snedecor

(iv) Ztest (a) Wiliam Sealy Gosset
2६-॥)-9), ॥0-(9), 60-0०, (७-(०)
നി]
൭൧൫൫. ൫൭. ൫.൭. ൧൧൫)
2൫൫,൫൭൭. ൫൫.൧൭)

Correct Answer: Option-C

‘Question68:-A business man, at the end of the day, can either make a profit of Rs. 3,000 with a probability of 0.6 or make loss of Rs. 1,000 with a probability of 0.4. His expected

42.200
‏0ھ‎
‎01,500
‎01,400
‎Correct Answer:- Option-D

Question69:-Type Il Error is,
‘AcRejecting a hypothesis when it should be accepted
B:-Rejecting a hypothesis when it is correct
C-Accepting a hypothesis when it should be rejected
D-Accepting a hypothesis when itis correct

Correct Answer: Option-C

Question70:number greater than 4

A?

1
3

1
5

Correct Answer: Option ®

Question71:-To study about life, language, festivals, traditions, which of the following method is more suitable?