Help I need help with the chart the most!!!
1 answer:
(a) and (b) looks correct
(c) Here's how my table looks like:
15 -18 324
27 -6 36
28 -5 25
34 1 1
42 9 81
52 19 361
SUM 828
(d) Take the sum of 828 and divide it by 6 to get 138. Now take the square root of 138 to get the standard deviation:
sqrt(138) ≈ 11.75
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X≈2.48207399,<span>−<span>2.14874066</span></span>
The answer is D because
60 times 5=300
20 times 8=160
25 times 9=225
33 times 10=330
Then add all of them and it gives you $1,015
Answer:
Lol
Step-by-step explanation:
-4x/5+8.8. I think that's it, and if it isn't, i don't know.
