Statistics Quiz 7

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Statistics Quiz 7

1 / 50

If a distribution is abnormally tall and peaked, then is can be said that the distribution is_____________?

2 / 50

Group data formula for mode _______?

3 / 50

A box containing 12 balls of color 6 red and 6 white. A ball of white selected ball finds the probability of white____________?

4 / 50

Which of the following cannot be less than zero (negative)?

5 / 50

In descriptive statistics, we study:

6 / 50

The shape of the symmetrical distribution is _______?

7 / 50

In a normal distribution E(X-?)2 is________________?

8 / 50

The first and starting point in test Hypothesis is ______________?

9 / 50

___________ is a value of sample statistics?

10 / 50

Data which have been arranged in ascending or descending order is called ________ data?

11 / 50

In special rule of addition of probability, the events are Always:_______________?

12 / 50

In binomial distribution with ________ trials mean is np and variance is npq?

13 / 50

The quartile deviation is ____ (S.D.) is normal dist?

14 / 50

The grouped data is also called_____________?

15 / 50

If u = 5 and S.? D. = 2.5 then Binomial distribution are ________________?

16 / 50

Var(2X+3) is________________?

17 / 50

G.M. of 2,4,8 is ______?

18 / 50

The object of Index number also determines its _______________?

19 / 50

A continuous random variable which can assume all possible values on scale in a given _______________?

20 / 50

Age of a shopkeeper is the example of___________?

21 / 50

5C5 is equal to ________________?

22 / 50

For t distribution, increasing the sample size, the affect will be on ?

23 / 50

In uni-model distribution, if mode is less than mean_______________?

24 / 50

Var (kY)= ____________?

25 / 50

Population census is conducted through_______________?

26 / 50

Which of the following is not based on all the observations ?

27 / 50

Usually measurements give rise to ________ data?

28 / 50

The time taken by an athlete to run a 400 mile race in SAF games ________________?

29 / 50

The degree to which numerical data tend to spread about an average value is a________________?

30 / 50

The critical value of a test statistic is determined from_____________?

31 / 50

The probability function is always______________?

32 / 50

If P(B/A)= 0.25 and P(A?B) = 0.2 then P(A) will equal to _______________?

33 / 50

The ________ in the distribution around which the observation to lie?

34 / 50

Random numbers are used for selection of ____________?

35 / 50

A binomial random variable can assume values from _________ to n?

36 / 50

In pie-chart, the arrangement of the angles of the different sectors generally ________________?

37 / 50

A fair coin toss the total events in sample space equal_____________?

38 / 50

The process of systematic arrangement of data in rows and columns is called ___________________?

39 / 50

Absolute sum of deviations is minimum from _______________?

40 / 50

Paasche?s Index number is ______________?

41 / 50

Statistical Laws are valid in the ________________?

42 / 50

Mean is relatively ____ measure?

43 / 50

Hourly temperature recorded by weather bureau is the example of ___________?

44 / 50

If Y=5X + 10 and X is N(10,25), then mean of Y is ?

45 / 50

The binomial distribution is positively skewed when:________________?

46 / 50

For a certain distribution if ?(x?2)=18,?(x?24)=0,?(x?28)=?24) then arithmetic mean is_______________?

47 / 50

The t distribution are_____________?

48 / 50

The weights of students in a college/school is a___________?

49 / 50

In symmetrical distribution, the co-efficient of skewness is equal to ______________?

50 / 50

The distribution function F(X) is represent by_______________?

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