How do i solve this chart
2 answers:
I give the cells on the table numbers. See image attached. There area box 1 to 9.
We count the lower part first.
Find box 8
Solve using horizontal cells
box 7 + box 8 = box 9
25 + box 8 = 50
box 8 = 50 - 25
box 8 = 25
Find box 6
Solve using horizontal cells
box 4 + box 5 = box 6
18 + 5 = box 6
box 6 = 23
Find box 1
Solve using vertical cells
box 1 + box 4 = box 7
box 1 + 18 = 25
box 1 = 25 - 18
box 1 = 7
Find box 2
Solve using vertical cells
box 2 + box 5 = box 8
box 2 + 5 = 25
box 2 = 25 - 5
box 2 = 20
Find box 3
Solve using vertical cells
box 3 + box 6 = box 9
box 3 + 23 = 50
box 3 = 50 - 23
box 3 = 27
We count the lower part first.
Find box 8
Solve using horizontal cells
box 7 + box 8 = box 9
25 + box 8 = 50
box 8 = 50 - 25
box 8 = 25
Find box 6
Solve using horizontal cells
box 4 + box 5 = box 6
18 + 5 = box 6
box 6 = 23
Find box 1
Solve using vertical cells
box 1 + box 4 = box 7
box 1 + 18 = 25
box 1 = 25 - 18
box 1 = 7
Find box 2
Solve using vertical cells
box 2 + box 5 = box 8
box 2 + 5 = 25
box 2 = 25 - 5
box 2 = 20
Find box 3
Solve using vertical cells
box 3 + box 6 = box 9
box 3 + 23 = 50
box 3 = 50 - 23
box 3 = 27
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Answer:
The value of the test statistic is -2.64.
Step-by-step explanation:
The test statistic is:
In which X is the sample mean, is the expected(claimed) mean,
is the standard deviation and n is the size of the sample.
An automobile manufacturer claims that its van has a 40.3 miles/gallon (MPG) rating.
This means that
After testing 250 vans, they found a mean MPG of 39.9. Assume the standard deviation is known to be 2.4.
This means, respectively, that:
So
The value of the test statistic is -2.64.