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san4es73 [151]
3 years ago
14

STUDENT HOURS Jack 4.5 Mike 6.25 Adam 3 Jim 2.5 Marty 7 Ben 6.75 At your high school, you randomly surveyed male students to fin

d that they play video games a certain amount of hours per week. What is the estimated population mean based on your sample? A) 2.5 hours B) 3 hours C) 5 hours D) 6 hours
Mathematics
1 answer:
trasher [3.6K]3 years ago
7 0

Answer:

C) 5 hours

Step-by-step explanation:

Find the mean of the sample

Add the numbers together and divide by the number of points

mean = ( 4.5 + 6.25 + 3+ 2.5+ 7 + 6.75)/6

         =30/6

          =5

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<h2>7  -   3   + (7     x     3)      =     24 </h2>

Step-by-step explanation:

Here, the given expression is:

7   3     7     3      =     24

Here, to get the desired expression:

7 - 3  = 4

4 + ( 7 x 3 )  = 4 + (21)   = 24 = Right Side.

So, the given expression can  be written as:

7  -   3   + (7     x     3)      =     24

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3 years ago
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alexandr1967 [171]

Answer:

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2 years ago
If 3x^2-2x+7=0 then (x-1/3)^2=
Romashka-Z-Leto [24]
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Read 2 more answers
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