15 POINTSSS
1 answer:
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Answer:
Step-by-step explanation:
<u>Q1</u>
⇒ Graph A is most accurate as the situation is linear and the dots indicate per cup as you can't have any rational part (such as 0.5 cups, etc.)
<u>Q2</u>
⇒ A
⇒ The graph is discrete because the sellers have limited the purchaser to buy a distinct whole number of cups
Answer:
y = 541
Step-by-step explanation:
The mean is calculated as
mean =
Mean of set A = =
= 266
ratio between means = 7 : 12, then
mean of set B = × 266 = 456 , thus
= 456 ( multiply both sides by 5 )
1739 + y = 2280 ( subtract 1739 from both sides )
y = 541