List of top Statistics Questions asked in CPET

Fertility rates mainly depend on:

R - charts are preferable over \(\sigma\) - charts because:

A curve showing the probability of accepting a lot of quality p is known as:

The relation between the expected value of R and standard deviation \(\sigma\) is given by:

The decision about the acceptance or rejection of a lot through a single inspection plan is reached by considering:

A defect in an item is classified as minor if:

Expected sample size of SPRT is a/an:

Which of the following method is not used to calculate seasonal indices in a time series?

Which of the following is not a problem in construction of a price index number?

The price index as arithmetic mean of Laspeyre's and Paasche's indices was expounded by:

Laspeyre's index number formula possesses:

If the old series is connected with the new series of index numbers, it is known as:

Marshall and Edgeworth price index number utilizes the weights as:

The general decline in the sales of cotton clothes is attached with:

Out of a number of models fitted to a time series data, the best model can be adjudged by:

Time series analysis could not help us to:

In case of three attributes A, B and C, the class frequency \((\alpha B \gamma)\) (that is, B present, A and C absent) in terms of other class frequencies is:

The relation between the Yule's coefficient Q and colligation coefficient Y is:

If for two attributes A and B, \(N = 140\), \((A) = 100\), \((B) = 105\) and \((AB) = 25\), the attributes A and B are:

The hypothesis of \(H_0: \rho = \rho_0\) (a constant) can be tested by making use of the transformation:

If the correlation coefficient between two variables X and Y is 0.5, then the correlation coefficient between \(Z = 3X - 2\) and \(W = 2 - 3Y\) is:

The test statistic for testing the significance of Spearman's rank correlation coefficient \((r_s)\) is :

If \(Y = mX + 4\) and \(X = 4Y + 5\) are the regression lines of Y on X and X on Y respectively, then m lies between the values:

The probable error of correlation coefficient \((r)\) is used for :

The degree of freedom for the statistic \(t\) for paired \(t\)-test based on \(n\) pairs of observations is :