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Kipish [7]
2 years ago
15

I will give 70 -0ints

Mathematics
2 answers:
kaheart [24]2 years ago
8 0

Answer:

See below ~

Step-by-step explanation:

<u>(a) Mean of the data</u>

  • 2.4 + 1.6 + 3.2 + 0.3 + 1.5 / 5
  • 9/5
  • <u>1.8</u>

<u></u>

<u>(b) New mean after each data point increased by 10</u>

  • 12.4 + 11.6 + 13.2 + 10.3 + 11.5 / 5
  • 59/5
  • <u>11.8</u>

<u></u>

<u>(c) New mean after each data point doubled [from (b)]</u>

  • 24.8 + 23.2 + 26.4 + 20.6 + 23 / 5
  • 118/5
  • <u>23.6</u>
lord [1]2 years ago
6 0

Answer:

a) 1.8

b) 11.8

c) 23.6

mean: sum of numbers/total numbers

<h3 /><h3>Part A</h3>

⇒ mean: (2.4+1.6+3.2+0.3+1.6)/5 ⇒ 9/5 ⇒  <u>1.8</u>

<h3>Part B</h3>

If all the data's are increased by 10

{12.4, 11.6, 13.2, 10.3, 11.5}

Then mean ⇒ (12.4+11.6+13.2+10.3+11.5)/5 ⇒ <u>11.8</u>

<h3>Part C</h3>

if the new data doubled, the mean will be double

11.8 * 2 = <u>23.6</u>

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