UGC NET Paper 2 — Statistics

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...

Which among the following is not a property of chi - square distribution?

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:

Match the LIST-I with LIST-II LIST-I (n=number of Trials, p= Probability of Success) A. n=5, p = 0.4 B. n=6, p=0.6 C. n=8, p = 0.5 D. n=7, p=0.4 LIST-II (Mean and Standard Deviatio...

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...

Match List I with List II:

किसी प्रदत्त दत्त समुच्चय के लिए निम्नलिखित मापों को आरोही क्रम में व्यवस्थित कीजिए: A. 7वां दशमक B. माध्यिका C. तीसरा चतुर्थक D. 78वां शतमक नीचे दिए गए विकल्पों में से सही उत्तर क...

In which conditions, Karl Pearson's correlation coefficient can be calculated ? A. If means of both the variables are equal B. If one variable is measured in interval scale and ano...

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 which of the following p-value of a test statistic, a null hypothesis is likely to be rejected? (A). 0.38 of 2% (B). 38% (C). 2% (D). 0.46 Choose the correct answer from the op...

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...

Match the LIST-I with LIST-II LIST-I (Population Mean (μ) and $\frac{1}{N}\sum x^2$) A. μ = 3, $\frac{1}{N}\sum x^2$ = 90 B. μ = 4, $\frac{1}{N}\sum x^2$ = 116 C. μ = 5, $\frac{1}{...

Which among the following is not a property of chi - square distribution?

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 : List - I [Population mean($\mu$) and $\frac{1}{N}\sum x_i^2$] A. $\mu=9, \frac{1}{N}\sum x_i^2=117$ B. $\mu=10, \frac{1}{N}\sum x_i^2=200$ C. $\mu=1...

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...

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...

The concept of Normal distribution was given by

The 'orthogonal rotation' is carried out in factor analysis, when factors are-

The power of a test refers to:

मान लिजिए कि आप समष्टि माध्य के बारे में शून्य परिकल्पना Ho : μ = μ₀ का परीक्षण, H₁:μ > μ₀ के विरुद्ध कर रहे हैं जहाँ समष्टि प्रसरण दिया हुआ है। परीक्षण प्रतिदर्शज का गणना से प्राप...

Which of the following is the non-parametric counterpart of two-Way ANOVA?

The Contingency table in statistics is one :

If the line of regression is a good estimator of the data, the R² will be near ___________

माध्य μ तथा प्रसरण σ² वाली किसी समष्टि से n आकार वाले एक यादृच्छिक प्रतिदर्श हेतु प्रतिदर्श माध्य के प्रत्याशित मान व प्रसरण निम्नलिखित हैं :

For a given set of pair data, the correlation and regression coefficients have been calculated as being equal to r, byx and bxy respectively. Now, each of values in the x series is...

Which one of the following is correct if each of the value of the set of data increases by 12?

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...

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,...

In statistical hypothesis testing, null and alternative hypothesis are statements about:

For four different population, the number of positive x, values in the population (n), the sum of x, values (Σx) and sum of squares of x, values (Σx²) are given as A-D below. Compu...

Consider four different Binomial distributions each with number of trials, n = 64 and probability of success, p as given in A-D below. Compute the variance for each Binomial distri...

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...

किसी दिए गए आँकड़ों के समुच्चय के लिए निम्नलिखित सांख्यिकीय मापनों को उनके मानों के आरोही क्रम में व्यवस्थित कीजिए: A. छठा दशमक B. तृतीय चतुर्थक C. माध्यिका D. 70वाँ शतमक नीचे दिए...

Identify the discrete variables. A. Number of students in each class of a school B. Number of heads obtained in ten tosses of a coin C. Marks scored by students in an objective typ...

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

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

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....

A box plot is useful for displaying information on : A. outliers B. correlation C. median D. autocovariance Choose the correct answer from the options given below :

Arrange the following statistical measures in increasing order of their values for a given dataset. A. 6th decile B. 3rd quartile C. Median D. 70th percentile Choose the correct an...

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...

The null hypothesis that all slope coefficients are simultaneously equal to zero is tested in logit model by.

Which of the following are characteristics of a Normal probability distribution? A. The two tails of normal curve extend to infinity in both directions and never touch hori axis. B...

In the given equation p₁= a₁₁X₁ + a₁₂X₂ + .......... + a₁kXk, what a₁₁ refers to

Bootstrapping technique is use to ____________.

Match List-I with List-II: List-I A. β2 for Chi-square distribution B. Skewness for Chi-square distribution C. Mode for Chi-square distribution D. μ3 for Chi-square distribution Li...

Arrange the data sets with following pairs of mean (x̄) and standard direction (σ) in increasing order of their coefficient of variation. (A) x̄ = 50, σ = 12 (B) x̄ = 55, σ = 10 (C...

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...