Answer: 34*12 = 34(10+2) = 340 +68 = $408
And $408 is close to $434.
27h / 3h = (9 x3h) / (1x3h) =<em> 9 </em><span> </span>
Answer:
The correlation between sales and advertising is positive.
Step-by-step explanation:
For every $35 spent on advertising, sales increase by $1
Is FALSE, since y = 500 + 35 x $35, sales increase more than $1
Even if no money is spent on advertising, the company realizes $35 of sales
Is FALSE, if no money is spent, the sales amount to $ 500 (when X = 0)
The coefficient of correlation between sales and advertising is 0.81
Is FALSE, since R² = 0.9. The coefficient of correlation = R = 0.94, not 0.81
Answer:
0.333 is 1/3
0.666 is 2/3
Step-by-step explanation:
I used my head but you can use a calculator too.
All but c are correct so the answer is a b and d