Hello
a=s² s = 7 cm
a = 7² 42cm²
The mistake he made is that he Yuri divided by n instead of n -1.
<h3>What mistake did he make?
</h3>
Standard deviation is used to determine how the values in a group differs from the mean of the values in the group.
In order to determine the standard deviation, take the following steps:
• Determine the mean of the observation: 14
Determine the difference between each value and the mean and then square the result: (12 - 14)² + (14 - 14)² + (9 - 14)² + (21 - 14)² = 78
Determine the mean of the sum of the squared differences and then find the square root of the mean: √78/(n - 1) = 5.1
To learn more about standard deviation, please check: brainly.com/question/26201837
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1000 - 403 = 597
597/28 = 21.3
This means that each student should being at least 22 cans.
Answer:
D
Step-by-step explanation:
In the prime factorization of 36 = 2² x 3², the two is used as a factor two times and the three is used as a factor twice. When checking to see if a number is prime or not, you need only divide by those prime numbers that when squared remain less than the given number.
The answer is:
[B]: "
4g³ / h¹¹ " .
____________________________________________Explanation:____________________________________________We are given:
____________________________________________ ; and asked to:
Simplify:
______________________________________________We can rewrite the expression:
Note: " 8/2 =
4 " ;
" g⁷ / g⁴ = g⁽⁷⁻⁴⁾ =
g³ " ;
<span>
" h</span>⁽⁻³⁾ / h⁸ = h⁽⁻³ ⁻ ⁸⁾ =
h⁻¹¹ = 1/ h¹¹ ;
We can rewrite the expression as:
___________________________________________________ "
" ;
which is: Answer choice: [B] .
____________________________________________________