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Finding the value for a new score that will yield a given mean
Heather has scored 74, 74, and 83 on her previous three tests. What score does she need on her next test so that her average (mean) is 74

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linandrew41

Answer:

Step-by-step explanation:

The mean in this case is calculated by adding all the scores up divided by the number of scores, in that case, we get the equation:

[tex]\frac{74+74+83+x}{4} = 74[/tex] , where x is the score she needs to get

x = 65

Thus the score she needs to get on her next test is 65.

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