In order to determine whether or not there is a significant difference between the mean hourly wages paid by two companies (of t
he same industry), the following data have been accumulated. Company A Company B Sample size 80 60 Sample mean $16.75 $16.25 Population standard deviation $1.00 $.95 A point estimate for the difference between the two population means is____________.
1 answer:
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Answer:
Step-by-step explanation:
Use the following equation the find the slope:
Rise over run is the change in the y-axis over the change in the x-axis from one point to the other. This is also known as the "slope". Insert the known values:
Solve:
Simplify. Two negatives make a positive:
Simplify fraction by dividing top and bottom by 5:
The slope is 3.
:Done
Answer:
<u>Step-by-step explanation:</u>
P(x) = x⁴ - 3x² + 4x + 5
g(x) = x² + 5
<u>_x²_- 8 </u>
x² + 5) x⁴ + 0x³ - 3x² + 4x + 5
-<u>(x⁴ + 0x³ + 5x²) </u> ↓ ↓
-8x² + 4x + 5
-<u>(-8x² + 0x - 40)</u>
4x + 45
Answer:
64
Step-by-step explanation:
l x w = area
8 x 8 = 64