Question
Find the variance of the following data points: 6, 7, 5, 9, 11, 14
More Arithmetic Progression Questions
- What is the mean of the following numbers: 45, 50, 55, 60, 65
- The area of a square is 900 cm2 which is 120 cm2 less than that of a rectangle. Find the perimeter of the rectangle if the length of the rectangle is 10 cm...
- 5 years ago, A was 1/3 of B’s age. If the ratio of their present ages is 2:5, what will be the sum of their present ages?
- A, B and C invested in partnership. A invest Rs.9000 for 5 months, B invests Rs.7000 for 3 months and C invests Rs.12000 for 2 months. C is working partner...
- The interest earned when a sum is invested at simple interest of 25% p.a., for 3 years, is Rs. 1875. What will be the total amount received after 2 years o...
- In a geometric progression, the first term is 4 and the common ratio is 2. If the sum of the first n terms is 252, what is the value of n?
- If a, b, c are in geometric progression and a + b + c = 14, a² + b² + c² = 84, find a, b, c.
- If p = q + 2, where q is the product of six consecutive positive integers, then which of the following is/are true? a. p is a perfect cube b. p is a mult...
- [16 × 15 + 224 × 5] ÷ 5 = ? × 4
- 21 is divided into three parts which are in arithmetic progression (A.P.) in such a way that the sum of their square is 179. Find the smallest part.
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