The arithmetic mean of 16 student's scores is 320. Find the sum of these scores.
5120
The correct answer is 5120.
Determining the average income in a region. Analyzing average temperatures or rainfall over a period. While simple and widely used, the arithmetic mean can be affected by extreme values (outliers). Other measures of central tendency like the median or mode might be more appropriate in such cases.
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How many integers between 299 and 501 are divisible by 4 or 10?
Important Questions from Arithmetic Progression
If the arithmetic mean of a, b, c is \(\rm \frac M 3\) and \(\rm \frac{1}{a} + \frac{1}{b} = -\frac{1}{c} \) , then the arithmetic mean of a 2, b 2, c 2 is
A person saves Rs. 1000 more than he did the previous year. If he saves Rs. 2000 in the first year, in how many years will he save Rs. 170000?
How many natural numbers lie between 3 and 200 which are divisible by 7?
How many three-digit numbers are divisible by 5?
If n be a positive integer. If the coefficient of 2nd, 3rd, 4th terms in the expansion of (1 + x)n are in A. P. Then the value of n is:
