Rose writes down all of her math quiz scores. Her math scores are 98,78,84, and 96. What is the mean of her math quiz scores?
1 answer:
Answer:
89
Step-by-step explanation:
Hi, there to find the mean
you need add the numbers and count how many numbers are there and divide
In this case 98+78+84+96= 356
Now we will count
there are 4 numbers
= 89
Your mean will be 89
If you ever have trouble with mean remember this
Mean
well it is supposed to be:
Sum of Data Points/Number of Data Points
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A computer store buys a laptop for $635 directly from the manufacturer (Dell). The markup is $570. What is the percent markup on the computer?
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FORMULA: Percent of Markup = Markup/Cost x 100
- = $570/$635 x 100
- = 0.90 x 100
- = 90%