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Lelu [443]
3 years ago
13

Jacob’s daily tips this work week were $99, $78, $58, $91, $90, and $68. Is Jacob correct in thinking that the mean best represe

nts how much money he makes in daily tips?
A. Yes, Jacob is correct. The mean amount he makes is $80.70 in a day.
B. Yes, Jacob is correct. The mean amount he makes is $85.20 in a day.
C. No, Jacob is not correct. The median amount he makes is $90.00 in a day.
D. No, Jacob is not correct. The median amount he makes is $84.00 in a day.
Mathematics
2 answers:
777dan777 [17]3 years ago
8 0

Answer: the answer is D

Step-by-step explanation:

i did the test

Neko [114]3 years ago
6 0

Answer:

D. No, Jacob is not correct. The median amount he makes is $84.00 in a day.

Step-by-step explanation:

In this case, the mean is not the best measure of this data.

We can see that there is one value lower than the rest, $58.  This brings the mean down.

With the value of $58, the mean is $80.70.  If we were to take this value out, the mean would be $85.20, which is higher.

Since the mean is brought down by this value, we should use the median.  The median of this data set is $84.

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3 years ago
1) Omar has scored 85, 71, and 77 on the first three exams in his math class. If the standard 70,80,90 scale is used for grades
Rus_ich [418]

Answer:

a. 47

b. 87

c. 127

Step-by-step explanation:

Assume a total of 4 exams ( first 3 plus a final)

Let final score be X,

Hence,  average score = (85 + 71 + 77 + x) / 4 = (233 + x) / 4

a) to get a C, the average score must be 70

70 = (233 + x) / 4

(233 + x) = 70 (4) = 280

x = 280 - 233 = 47 (Ans)

b) to get a B, the average score must be 80

80 = (233 + x) / 4

(233 + x) = 80 (4) = 320

x = 320 - 233 = 87 (Ans)

c) to get a A, the average score must be 90

90 = (233 + x) / 4

(233 + x) = 90 (4) = 360

x = 360 - 233 =  127 (Ans)

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3 years ago
Indentify the slope of the parallel line to the equation: y = 3/5x + 13
Rudiy27

Answer:

3/5

Step-by-step explanation:

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Answer:

Step-by-step explanation:

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