UGC NET Paper 1 — Statistics
52 questions across 5 years
Public preview: answer keys and topic tags are available on many questions, while original explanations are being added selectively. Use the filters below for cleaner practice.
By year
By topic
Practice questions
14 questions shown from 2023.
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 _________.
One factor Analysis of Variance (ANOVA) _________.