UGC NET Paper 1 — Statistics

A box plot is useful for displaying information on :

Arrange the following parameters in increasing order of the minimum number of variables required for their calculation: A. Mean B. First order correlation C. Correlation coefficien...

Arrange the following in terms of increasing order of the minimum number of variables required for their computation: A. Mean B. First order correlation C. Correlation coefficient...

Arrange the following intervals of an ideal normal variate in increasing order of probabilities: A. 0≤Z≤+1 B. +1≤Z≤+2 C. +2≤Z≤+3 D. +3≤Z<+∞ Choose the correct answer from the optio...

Population standard deviation (σ) and $\frac{1}{N}\sum x_i^2$ ($x_i > 0$) of different datasets are given in A-D below. Compute the population mean of each dataset and arrange in d...

Match the LIST-I with LIST-II LIST-I (Standard Normal Variate) A. -1 ≤ Z ≤ +1 B. -1 ≤ Z ≤ +2 C. -∞ < Z ≤ 0 D. -∞ < Z ≤ -1 LIST-II (Probability) I. ~0.5 II. ~0.16 III. ~0.68 IV. ~0....

For four different frequency distributions, the numerical computation yields the values of mean (M), mode (MD) and coefficient of variation (CV) as given in A-D below. Compute the...

Arrange the following intervals of standard normal variate in increasing order of probabilities. A. 0≤Z≤+1 B. +1≤Z<+2 C. +2≤Z<+3 D. +3≤Z<+∞ Choose the correct answer from the optio...

For four different frequency distributions, the values of Mean (M), Mode (MD) and Coefficient of Variation (CV) are numerically calculated and given below A-D. For each frequency d...

Four different populations consist of numbers as given in A-D below: Compute the variance of each different population and arrange in descending order. A. 6, 15, 27, 33, 39 B. 1, 2...

Mean and variance for four different Binomial distributions with parameters n (number of trials) and p (probability of success) are given in A-D below. Compute the number of trials...

Mean (M) and coefficient of variation (CV expressed as a percentage) of different datasets are given in A-D below. Compute the standard deviation of each dataset and arrange in asc...

Mean (M) and Standard Deviation (S) of different datasets are given in A-D below. Compute the coefficient of variation of each dataset and arrange in ascending order. A. M = 60, S...

For different sets of datasets X and Y, correlation coefficient between X and Y, that is R and standard deviation of X and Y, that is, S(X) and S(Y) are given in A-D below. Estimat...

Match List-I with List-II:

Match List - I with List - II:

Match the LIST-I with LIST-II LIST-I (n= number of Trials; p= probability of Success) A. n = 16, p = 0.8 B. n = 21, p = 0.6 C. n = 13, p = 0.7 D. n = 23, p = 0.4 LIST-II (Mean of B...

Match List - I with List - II :

Arrange the data sets with following pairs of mean (x) and standard derivation (σ) in increasing order of their coefficient of variation. (A) x = 8, σ=1.7 (B) x = 11, σ= 2.2 (C) x...

Arrange the datasets with following pairs of mean (x) and standard deviation (σ) in increasing order of their coefficient of variation: A. x = 25, σ = 9 B. x = 40, σ = 12 C. x = 30...

Arrange the datasets with following pairs of mean (x̄) and standard deviation (σ) in increasing order of their coefficient of variation. A. x̄ = 14, σ = 2.8 B. x̄ = 9, σ = 1.5 C. x...

Arrange the datasets with the following means (X) and standard deviations(σ) in decreasing order of their coefficients of variation. (A) σ=4.3, X = 13.8 (B) σ=3.8, X = 12.7 (C) σ=5...

Covariance i.e Cov (X,Y) and standard deviations of different datasets are given. Estimate the correlation coefficients and arrange in increasing order A. Cov (X,Y) = 32, σx = 8, σ...

Arrange the datasets with following pairs of mean (x) and standard deviation (σ) in increasing order of their coefficient of variation: A. x = 25, σ = 9 B. x = 40, σ = 12 C. x = 30...

Arrange the following datasets with means (x̄) and standard deviations (σ) in increasing order of their coefficients of variation. (A) σ= 3.7, x̄ = 20 (B) σ= 4.3, x̄ = 25 (C) σ= 5....

Arrange the data sets with following means ($\bar{x}$) and standard deviations ($\sigma$) in increasing order of their coefficients of variation: (A) $\sigma= 3.7, \bar{x} = 20$ (B...

Arrange the following statistical measures in ascending order: (A) Sixth Decile (B) Median (C) Third Quartile (D) 67th Percentile Choose the correct answer from the options given b...

Arrange the correlation coefficients computed from the following information on covariance i.e. cov (x,y) and standard deviation σx and σy, in increasing order. A. cov(x, y) = 18,...

Match List I with List II List I Total Sum Squares (TSS) and Residual Sum of Sequences (RSS) A. RSS = 25, TSS = 60 B. RSS = 35, TSS = 75 C. RSS = 30, TSS = 70 D. RSS = 40, TSS = 75...

Sharpness of the peak of a statistical distribution is represented by

The numerator and denominator degrees of freedom are used in the computation of which of the following test statistics?

Match List - I with List - II: List - I (Total Sum of Squares (TSS) and Residual Sum of Squares (RSS)) (A) RSS = 5, TSS = 20 (B) RSS = 5, TSS = 25 (C) RSS = 10, TSS = 25 (D) RSS =...

Arrange the probabilities corresponding to the standard normal variate 'z' lying in the following intervals, in increasing order.

Identify the measures of dispersion : (A) Mean deviation (B) Median (C) Standard deviation (D) Range (E) Quartile Choose the correct answer from the options given below :

Match List I with List II List I (n=number of trials p=probability of success) A. n=7, p = 0.3 B. n=5, p = 0.4 C. n=8, p = 0.5 D. n=6, p = 0.6 List II (Variance of Binomial Distrib...

Match List - I with List - II. List - I (Total sum of squares (TSS) and Residual sum of squares) (A) RSS = 5, TSS = 20 (B) RSS = 5, TSS = 25 (C) RSS = 10, TSS = 25 (D) RSS = 12, TS...

Arrange the datasets with following pairs of mean ($\bar{x}$) and standard deviation ($\sigma$) in increasing order of their coefficient of variation: A. $\bar{x}$ = 25, $\sigma$ =...

ऋणात्मक विषम वितरण में निम्नलिखित में से कौन सा सही होगा ? (A) माध्य > बहुलक (B) माध्य माध्य नीचे दिए गए विकल्पों में से सही उत्तर का चयन कीजिए :

In a positively skewed distribution, which of the following will be correct? (A) Mean > Mode (B) Mode > Median (C) Mean > Median (D) Mode > Mean (E) Median > Mean Choose the correc...

The mean and standard deviation of 70 observations are 47 and 9, respectively. If 3 is subtracted from each observation, the new mean and standard deviation will be

The mean and standard deviation of 75 observations are 45 and 10 respectively. If 2 is added to each observation, what will be the new mean and standard deviation?

The mean and standard deviation of 70 observations are 47 and 9 respectively. If 3 is subtracted from each observation, what will be the new mean and standard deviation?

In a negatively skewed distribution, which among the following would be true? (A) Mean > Mode (B) Mean Mean Choose the correct answer from the options given below :

A student's t-test would be useful in (A). testing the significance of difference of two sample means (B). testing the stationarity of a time series (C). testing the significance o...

Which of the following test statistics is useful for analysis of variance?

The mean and standard deviation of 75 observations are 45 and 10, respectively. If 2 is added to each observation, the new mean and standard deviation will be

For a perfect normal distribution, the median would be equal to which of the following measures? (A). Second quartile (B). Mean (C). 50th percentile (D). Mode (E). 5th decile Choos...

Identify the measures of dispersion : (A) Range (B) Quartile deviation (C) Sum of the deviations about mean (D) Standard deviation Choose the correct answer from the options given...

आदर्श सामान्य वितरण हेतु, माध्यिका निम्नलिखित में से किन मापों के समतुल्य होगी? A. द्वितीय चतुर्थक B. माध्य C. 50 वां शतमक D. बहुलक E. 5वां दशमक नीचे दिए गए विकल्पों में से सबसे उप...

The coefficient of variation for a Poisson distribution with λ(mean)=5 is _________.