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 35 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
८-21 ا١‎ statements are correct
0:21 the statements are false
Correct Answer: 8

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

3(mean median)
taal Deviation

8
ന്ന
Standard Deviation

3
(ean median)
‘Sandand Deviation

367८7 - mode)
‏لسلست‎ तम

Correct Answer: 0604

Question67:-Match the following :

॥) tes (a) SoH
(i) ttest (a) ಶ್ವಾ
(ii) Fistribution രു
(ii) Chi-Square (c) George Snedecor
(iv) 2 (a) Wiliam Sealy Gosset
0-42), (1-0), 60-0०, 149)
8:1)-(ಲ, (11-40), (10-48), (10-16)
೦-0-40), (09, (1)_(0), ‏اب‎
‎0:-()-40), (0-6, (1173) 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. 2,000 with a probability of 0.4. His expected

42,200
‏0ھ‎
‎೧೩,500
‎01,400
‎Correct Answer:- Option-D

Question69:-Type ॥ 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

Ae?

1
3

1
0

Correct Answer: 8

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