3 years ago

How do you work out the mean mark ?

1 answer:

4 0

Answer:

The mean is the average of the numbers. It is easy to calculate: add up all the numbers, then divide by how many numbers there are. In other words it is the sum divided by the count.

Step-by-step explanation:

plz give brainliest

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storchak [24]

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x = 16.67
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3 years ago

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A survey was done to determine the effect of students changing answers while taking a multiple-choice test on which there is on

Umnica [9.8K]

Answer:

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Step-by-step explanation:

The sum of the percentages must be 100%.

We have these following percentages

65% of the changes were from incorrect answers to correct

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Sholpan [36]

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2 years ago

The first three terms of an arithmetic sequence are as follows.

Anna007 [38]

Answer:

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Step-by-step explanation:

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