The taylors have recorded their weekly grocery expenses for the past 16 weeks and determined that the mean weekly expense was 85.50. later , mrs. taylor discovered that 1 weeks expense of $77 was incorrectly recorded as $37. what is the correct mean ?

the correct mean is $

Hence, the correct mean is 88.

Explanation:

Since we have given that

Number of weeks = 16

Mean of weekly expense for 16 weeks = 88.50

Total weekly expenses is given by

According to question, we get that she recorded $77 as $37 .

So, our equation becomes,

so, correct mean will be

Hence, the correct mean is 88.

d (5 x (-20)) * (100 x (0.7))

step-by-step explanation:

5÷1/100 * -.7 *-20

copy dot flip

5*100 * -.7 *-20

rearrange

5*-20   * 100 *-.7

-100   *-70

7000

both equations and proportions are better.