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Q) Find the mean and mode of the following frequency distribution: (Q 35 A – 30/5/2 – CBSE 2026 Question Paper) Ans: (i) Mean value: Let’s rearrange the data: Now, from this improved table, we have: ∑fx = 60500 and ∑f = 110 ∴ Mean = ∴ Mean = = 550 Therefore, the mean value […]
35 a. Find the mean and mode of the following frequency distribution: Read More »
Q) If the median of the following frequency distribution is 32.5 and sum of all frequencies is 40, then find the values of f1 and f2: (Q 35 B – 30/5/2 – CBSE 2026 Question Paper) Ans: Step 1: Given that the total of frequencies = 40 ∴ 32 + f1 + f2 = 40 ∴ f1 +
Q) Find the mean and the mode of the following frequency distribution: (Q 33 A – 30/4/2 – CBSE 2026 Question Paper) Ans: (i) Mean value: Let’s rearrange the data: ∑fx = 3340 and ∑f = 100 ∴ Mean = ∴ Mean = = 33.4 Therefore, the mean value of the given grouped data is
33 a. Find the mean and the mode of the following frequency distribution: Read More »
Q) Find the mean and the mode of the following frequency distribution: (Q 33 – 30/3/3 – CBSE 2026 Question Paper) Ans: (i) Mean value: Let’s rearrange the data: Now, from this improved table, we have: ∑fx = 6240 and ∑f = 120 ∴ Mean = ∴ Mean = = 52 Therefore, the mean value of
33. Find the mean and the mode of the following frequency distribution: Read More »
Q)Â The mean of the following frequency distribution is 35. Find the values of x and y, if the sum of frequencies is 25: (Q35 – 30/1/1 – CBSE 2026 Question Paper) Ans: Step 1: Le’ts calculate the sum of frequencies: By 1st condition, we are given that sum of frequencies is 25 From table,
Q) The marks obtained by 80 students of class X in a mock test of Mathematics are given below in the table. Find median and the mode of the data: (Q 33 – 30/1/3 – CBSE 2026 Question Paper) Ans: Let’s first rearrange the given data in terms of grouped data: (i) Median value: Step
Q) An SBI health insurance agent found the following data for distribution of ages of 100 policy holders. The health insurance policies are given to persons of age 15 years and onwards, but less than 60 years. Find the modal age and median age of the policy holders. (Q 35 – 30/2/1 – CBSE 2026
Q) If the median of the following frequency distribution is 32.5. Find the values of X and Y : (Q 32 – 30/2/2 – CBSE 2026 Question Paper) Ans: Step 1: Let’s re-organize the data in the frequency table to find out each part: Step 2: Given that the total of frequencies = 40 ∴Â
Using step-deviation method, find mean for the following frequency distribution: ICSE Specimen Question Paper (SQP) 2026 Ans: Step 1: From the given frequency distribution table, first we calculate class marks (x) for each class interval. Step 2: we take 45-60 as mean class. Hence, its class marks 52.5 as our assumed mean ∴ A =
Using step-deviation method, find mean for the following frequency distribution: Read More »
Q) If the mode of the following distribution is 55, then find the value of x. Hence, find the mean. Q35 A – Sample Question Paper – Set 1 – Maths Standard – CBSE 2026 Ans:Â Approach: Let’s start calculating the mode value for the given data and it will be calculated in terms of