Statistics Quiz 8

0%
0

Statistics Quiz 8

1 / 50

The normal distribution is_________?

2 / 50

Correlation coefficient is ___________ with respect to x and y?

3 / 50

Data published by Bureau of statistics in its publications are _______________?

4 / 50

In binomial experiment, the probability of success is denoted by __________________?

5 / 50

Binomial distribution is symmetrical when P=___________________?

6 / 50

Single number which shows ___________ changes in a phenomenon is called an Index Number?

7 / 50

Random numbers are also called__________________?

8 / 50

________ paper is needed to show the graphs of frequency distribution?

9 / 50

A random variable may be _____________?

10 / 50

Village Patwari collecting the data about cotton crops is the example of_____________?

11 / 50

When X denotes the number of success in binomial experiment, it is called ________________?

12 / 50

In w.o.r 2?x=_____________________?

13 / 50

The graphs of the symmetrical distribution is _____________?

14 / 50

Data regarding opinions of consumers about some product obtained through lady workers are ____________?

15 / 50

Normal distribution has ______ parameter?

16 / 50

If Y=?8X ? 5 and SD of X is 3, then SD of Y is _______________?

17 / 50

In natural Sciences, statistics____________.

18 / 50

A random variable is that whose value is determined by the outcome of _________________?

19 / 50

Analysis of Variance (ANOVA) is a test for equally of______________?

20 / 50

E(ax + b) = A E(x) +___________________?

21 / 50

___________ data are collected for the first time.

22 / 50

A time series is an arrangement of data according to __________________?

23 / 50

For a binomial distribution?

24 / 50

If a card is chosen from a standard deck of cards, what is the probability of getting a five or a seven ?

25 / 50

_______are used to represent data classified on qualitative?

26 / 50

Consumer price Index Number also called _________ is designed to measure changes?

27 / 50

This index measure the change from month to month in the cost of a representative ?basket? of goods and services of the type bought by a typical household?

28 / 50

A measure of dispersion is always ________________?

29 / 50

If an event consists of only one sample point is called _____________?

30 / 50

If n = 400 and P=.69 then 90% C.I for P is _________________?

31 / 50

If _________ then the distribution is positively skewed?

32 / 50

suppose for 40 observation, the variance is 50. If all the observation are increased by 20, the variance of these increased observation will be_________?

33 / 50

The difference between the upper and lower class boundaries of a class are know as _________________?

34 / 50

Frequency table is an arrangement of data by classes together with their _______ class frequencies?

35 / 50

If right tail is longer than left tail then distribution is called _________________?

36 / 50

The average of first n natural numbers is_______________?

37 / 50

If c is non-random variable, the E(C) is_______________?

38 / 50

A contractor employs 20 male, 15 female and 5 children in his factory. Male wages are Rs. 10 per day, female Rs. 8 per day, and children Rs. 3 per day. The weighted x of wages paid per day will be_____________?

39 / 50

Variance is always calculated from___________?

40 / 50

There are ________ important bases of classification?

41 / 50

The Harmonic Mean of two number is ?a? and ?b? is given by ____________?

42 / 50

A table has at least __________ part?

43 / 50

Non-random sampling is also called___________________?

44 / 50

The sum of the squares of deviations is the least when measured from____________?

45 / 50

To perform a Runs test for randomness the data must be_______________?

46 / 50

You asked five of your classmates about their height. On the basis of this information, you stated that the average height of all students in your university or college is 67 inches. This is an example of ?

47 / 50

Correlation is _____________ of regression coefficients?

48 / 50

Three brands of coffee are rated for tasted on a scale of 1 to 10. Six persons are asked to rate each brand so that there is a total of 18 observations.The appropriate test to tasted equally good is_____________?

49 / 50

We must arrange the data before calculating _________?

50 / 50

Geometric means of X1 and X2 is________________?

Provide Your Information

Your score is

The average score is 0%

0%

Qunoot e Nazilah
Dua e Hajat
4 Qul
6 Kalma
Dua-e-Akasha
Darood Akbar
Surah Fatiha
Dua-e-Ganj Ul Arsh
Dua-e-Jamilah
Ayat-ul-Kursi