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Nookie1986 [14]
3 years ago
13

A data set includes the following test scores: 75, 82, 84, 62, 78. The score on a retake test is 96. It the retake score replace

s the lowest test grade, how is the mean affected? A) The mean increases by 5. B) The mean increases by 6.8. C) The mean increases by 35. D) The mean does not change.
Mathematics
1 answer:
Vera_Pavlovna [14]3 years ago
8 0

Answer:

B the mean increases by 6.8

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Answer: £535

Step-by-step explanation:

Herr is the complete question:

Tim and three friends go on holiday together for a week.

The 4 friends will share the costs of the holiday equally,

Here are the costs of the holiday.

£1280 for 4 return plane tickets

£640 for the villa

£220 for hire of a car for the week

Work out how much Tim has to pay for his share of the costs.

Firstly, we have to calculate the total cost of the holiday. This will be:

= £1280 + £640 + £220

= £2140

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3 years ago
Evaluate the expression when y=-6.<br> y² +8744
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Answer:

8780.

Step-by-step explanation:

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Step-by-step explanation:

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