Answer: The mean of the data is 278.
Step-by-step explanation:
To the the mean of the data, we’ll have to add all the numbers up and divide it by the amount of data.
275+279+279+276+278+277+280+282+284+270=2780
2780/10=278
Answer:
1.7 - 1.5 = 1.2
11.2 - 3.1 = 8.1
288
360/5 = 72
72x4 = 288