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ECO 253 (CBT 3)

All these are types of Index Numbers EXCEPT _________

Value added tax under index number

Price index number

Quantity index number

Value index number

In what form is a typical regression model specified?

Y = a + bX + e

Y = a + bX + c

Y = a + bX + ex

Y = a + bX + ev

Chi-square distribution tests one among the following:

Equality of population variances

Significance of single mean

Goodness of fit

Equality of population mean

Poisson distribution may be obtained as a limiting case of which distribution?

Bernoulli probability distribution

Binomial probability distribution

Normal probability distribution

Non-parametric probability distribution

One of these is not a weighted Aggregate method.

Karl Pearson's Price Index

Dorbish-Bowley Price Index

Fisher's Price Index

Paasche's Price Index

Given a normal distribution with mean of 230 and standard deviation of 20, what is the probability that an observation from this population is less than 220?

0.3084

0.3085

0.3086

0.3087

ANOVA can be how many ways?

One way

Two way

Three way

One way or two way

Ten unbiased coins are tossed simultaneously. Find the probability of obtaining: Exactly six heads.

0.2051

0.2143

0.2040

0.2164

The normal distribution was first discovered by English Mathematician __________

De-voire

Gauss

Pythagoras

Markov

Karl Pearson's coefficient of correlation is a __________

Parametric statistics

Non-parametric statistics

Linear statistics

Non-linear statistics

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