Question
The df value for a chi-square for is based
on-Solution
In Chi-Square, the formula for degrees of freedom (df) = k-1. Where k is the number of classes/categories.
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Eight years ago, the ratio of the ages of A to B was 7:5. Currently, the average age of A, B, and C is 48 years. Twenty years from now, C will be 16 yea...
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Shalini is younger than Rashi by 3 years. If the ratio of Shalini and Rashi ages is 10:11 respectively, then find the age of Shalini.
The ratio of A and B present age is 4:3. The product of their ages is 4800. What will be the ratio of their ages after 5 years?
Ten years ago, the average age of five employees was 35 years. The present average age is 45 years after the inclusion of two new employees. Find the pr...
