Quiz Review

Quiz Review

(Weighted Mean and Mean for Grouped Data)

Multiple Select

Given the table, what is the first step in finding the weighted mean?

• Multiply the score and the weight.

• Convert percent to decimal then multiply the score and the weight.

• Divide the score by the weight.

• Convert percent to decimal then divide by the score.

Fill in the Blank

After converting the percent to decimal, __________ the score and the weight.

Multiple Choice

After multiplying the score and the weight, what would be the next step?

• Add the weight and multiply it to the sum of the weight.

• Multiply the score and the sum of the weight.

• Get the sum of the weight and the product of the the score and the weight.

• Get the total frequency and divide by the sum of the weight.

Fill in the Blank

You added the weight and the product of the weight and the score. To get the weighted mean, ______ the product of the score snd the weight by the total weight.

Poll

Do you have any question on how to calculate the weighted mean?

• If yes, unmute or put your question in the comment box. I will get back to you.

• No, I understand it and I can calculate the weighted mean.

Open Ended

If you have questions, please type it here. If no question, just type 1.

Multiple Choice

What is the other term for midpoint?

• Classmark

• Boundaries

• Relative

• Frequency

Multiple Select

How do you find the midpoint?

• Lower Limit - Upper Limit x 2

• Lower Limit - Upper Limit/ 2

• (Lower Limit + Upper Limit) x 2

• (Lower Limit + Upper Limit) / 2

Fill in the Blank

The first step in calculating the mean for grouped data is to solve for the _____________.

Fill in the Blank

____________ the product of the frequency and the classmark.

Multiple Choice

The last step to find the mean for grouped data is

• Divide the product of the frequency and the midpoint.

• Multiply the frequency and the midpoint.

• Divide the frequency and the midpoint.

• All of the above.

Fill in the Blank

What is the next step after finding the midpoint or classmark? _______________ the frequency and the midpoint.

How to calculate weighted mean?

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How to calculate mean for grouped data?

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