The first week at javier's new job he spent $12.48, $9.50, $10.25, $4.99, and $8.59 on lunch.
in the second week, he spent $3 more in total for the 5 lunches than the first week.
what is the increase in the mean for the second week compared to the first?

Mean for 2nd week increased by 6.51 % or by  0.6 value compared to the 1st week.

Step-by-step explanation:

Money spend in 1st week = 12.48 , 9.50 , 10.25 , 4.99 , 8.59

Total Money Spend in 1st week = 12.78 + 9.50 + 10.25 + 4.99 + 8.59 = $ 46.11

In 2nd week he spend $3 more.

So total Money Spend in 2nd week = 46.11 + 3 = $ 49.11

Mean of 1st week =

Mean of 2nd week =

So, increase in mean from 1st week = %

Therefore, Mean for 2nd week increased by 6.51 % or by  0.6 value compared to the 1st week.

a

explanation:

i think it will be zero as slope has a formula of difference between initial and final distance divided by itz time interval