Goodmarks

Mathematics · JEE

Online Practice: Calculation of standard deviation, variance and mean deviation for grouped and ungrouped data for JEE

11+ syllabus-aligned questions available

Quick answer

Goodmarks provides free online JEE practice for Calculation of standard deviation, variance and mean deviation for grouped and ungrouped data with 11+ MCQs, instant answer checking, and full solutions. Sign up to unlock the complete question bank and topic-wise filters.

Sharpen your mathematics preparation with interactive online practice for Calculation of standard deviation, variance and mean deviation for grouped and ungrouped data. Goodmarks offers 11+ JEE-style MCQs mapped to the official syllabus, each with detailed explanations so you learn from every attempt.

Free sample questions

Attempt 8 free MCQs for Calculation of standard deviation, variance and mean deviation for grouped and ungrouped data. Unlock 3+ more with Pro.

Unlock full bank
Q1MathsUnit 13: Statistics and Probability
In an experiment with 15 observations on x,x, then following results were available: ∑x2=2830,∑x=170\sum x^{2}=2830, \sum x=170 One observation that was 20 was found to be wrong and was replaced by the correct value 30.30 . Then the corrected variance is:
Q2MathsUnit 13: Statistics and Probability
Find variance for following data:  Class 0−10−20−3010203040\begin{array}{lllll}\text { Class } & 0- & 10- & 20- & 30 \\ & 10 & 20 & 30 & 40\end{array} frequency ey 6 8
Q3MathsUnit 13: Statistics and Probability
The variance of observations 112,116,120,125,132 is
Q4MathsUnit 13: Statistics and Probability
The variance of the data 6,8,10,12,14,16,18,20,22,24 is
Q5MathsUnit 13: Statistics and Probability
Variance remains unchanged by change of
Q6MathsUnit 13: Statistics and Probability
Which of the following are dimensionless
Q7MathsUnit 13: Statistics and Probability
Assertion If rxy\boldsymbol{r}_{\boldsymbol{x} \boldsymbol{y}} i.e. r(x,y)=0.25,σx=0.1,σy=\boldsymbol{r}(\boldsymbol{x}, \boldsymbol{y})=\mathbf{0 . 2 5}, \boldsymbol{\sigma}_{\boldsymbol{x}}=\mathbf{0 . 1}, \boldsymbol{\sigma}_{\boldsymbol{y}}= 4,4, then byx=10b_{y x}=10 Reason byx=rσyσx\boldsymbol{b}_{\boldsymbol{y} \boldsymbol{x}}=\boldsymbol{r} \frac{\boldsymbol{\sigma}_{\boldsymbol{y}}}{\boldsymbol{\sigma}_{\boldsymbol{x}}}
Q8MathsUnit 13: Statistics and Probability
Find the correct Standard Deviation:

Want unlimited Calculation of standard deviation, variance and mean deviation for grouped and ungrouped data practice?

Pro unlocks the full question bank, topic filters, and attempt history.

Get started freeView Pro plans

Frequently asked questions

How do I practice Calculation of standard deviation, variance and mean deviation for grouped and ungrouped data online for JEE?

Open this page, attempt the free sample MCQs, then sign up on Goodmarks to access the full Calculation of standard deviation, variance and mean deviation for grouped and ungrouped data question bank with topic filters and detailed explanations.

How many Calculation of standard deviation, variance and mean deviation for grouped and ungrouped data questions are available?

Goodmarks currently has 11+ JEE-aligned MCQs for Calculation of standard deviation, variance and mean deviation for grouped and ungrouped data, with more added regularly.

Is this aligned with the JEE Main syllabus?

Yes. All Mathematics questions on Goodmarks are organised by official JEE Main units and subtopics, including Calculation of standard deviation, variance and mean deviation for grouped and ungrouped data.

Do I get solutions after each question?

Every question includes the correct answer and a step-by-step explanation. Free users can practise a random mix; Pro unlocks full subject and topic filters.

Related topics