Statistics Quiz 8

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

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?

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

Correlation is _____________ of regression coefficients?

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

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

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

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

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

Geometric means of X1 and X2 is________________?

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

In natural Sciences, statistics____________.

Normal distribution has ______ parameter?

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

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

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

There are ________ important bases of classification?

Correlation coefficient is ___________ with respect to x and y?

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

A random variable may be _____________?

For a binomial distribution?

Binomial distribution is symmetrical when P=___________________?

A table has at least __________ part?

___________ data are collected for the first time.

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

If _________ then the distribution is positively skewed?

Random numbers are also called__________________?

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

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_____________?

Variance is always calculated from___________?

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

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

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

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 ?

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

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

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_____________?

The normal distribution is_________?

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

A measure of dispersion is always ________________?

The average of first n natural numbers is_______________?

We must arrange the data before calculating _________?

_______are used to represent data classified on qualitative?

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

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

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

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

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

Non-random sampling is also called___________________?

The graphs of the symmetrical distribution is _____________?