Question

The mean of 30, 32, 24, 34, 26, 28, 30, 35, 33, 25 is 29.7.
If true, then enter 1 and if false then enter 0.

Answer 1

Hint:
Mean of any given data is the sum of all numbers present in a group of data divided by the count of numbers present in that group of data. Mean area of two types one is arithmetic mean and second one is geometrical mean.

Complete step by step solution:
Given: numbers are 30, 32, 24, 34, 26, 28, 30, 35, 33 and 25. To calculate the mean of given numbers first calculate the sum of all given numbers,
\[\sum {N = 30 + 32 + 24 + 34 + 26 + 28 + 30 + 35 + 33 + 25} \]
$ = 297$
Mean of a given set of numbers is the sum of all numbers in a set of data divided by the total numbers in that set of data.
\[{\rm{mean}} = \dfrac{{\sum N }}{n}\]
Here, $n$is the total number present in the given set of data that is 10 for the given series of numbers.
$\sum N $is the sum of all numbers present in that set of data
Now, we substitute the values in above equation to determining the mean of given numbers,
\[{c}
{\rm{mean}} = \dfrac{{297}}{{10}}\\
 = 29.7
\]
So the mean of the given series of numbers is 29.7. So the mean value given in the question is correct thus we enter 1 for true statement.

Therefore, the correct option for this question is option B.

Note:
Students might make mistakes in giving correct answers, they may forget to determine the actual answer of the question because this is a statement based question. If the statement given in question is correct then answer should be 1 and for wrong statement answer should be 0.