Maths Statistics Easy
In the formula x = a + (Σf_i d_i)/(Σf_i), for finding the mean of grouped data d_i 's are deviations from a of
In the formula , for finding the mean of grouped data 's are deviations from of
- (a)lower limits of the classes
- (b)upper limits of the classes
- (c)mid points of the classes
- (d)frequencies of the class marks
🔒 Step-by-step solution
Sign up free to reveal the full worked solution — hints, steps and the final answer, with a Solve-with-us walkthrough.
More questions from Statistics
Class 10 Maths — every question with an expert-verified, step-by-step solution.
- Q1 A survey was conducted by a group of students as a part of their e…
- Q2 Consider the following distribution of daily wages of 50 workers of…
- Q3 The following distribution shows the daily pocket allowance of chi…
- Q4 Thirty women were examined in a hospital by a doctor and the num…
- Q5 In a retail market, fruit vendors were selling mangoes kept in packin…
- Q6 The following data gives the distribution of total monthly househol…
- Q7 To find out the concentration of SO₂ in the air (in parts per milli…
- Q8 A class teacher has the following absentee record of 40 students…
- Q9 The following table gives the literacy rate (in percentage) of 35…
- Q1 The following table shows the ages of the patients admitted in a ho…
- Q2 The following data gives the information on the observed lifetimes…
- Q3 The table below shows the daily expenditure on food of 25 household…