Mathematics, 06.12.2021 03:00 whitethunder05
Questions 11-20 are based on the data in Table 2. This shows the cost in US$ 000’s per month of
a random sample of public clinics in a city.
Table 2: Clinic Monthly Operating Costs in US$000’S
11. The biased point estimator of the average cost per month of all North clinics is:
a) Sample mean
b) Sample median
c) Trimmed mean
d) None of these
12. The unbiased point estimate of the average cost per month (in US$ 000's) of all South clinics
is:
a) 89.0
b) 91.5
c) 91.6
d) 91.7
13. The standard error of the mean monthly cost of a North clinic is:
a) 0.39
b) 51.84
c) 2.72
d) 7.41
14. The point estimate for the standard deviation of the cost for all of the clinics in the Central
district (US$000's) is:
a) 2.03
b) 8.56
c) 12.2
d) 73.2
15. Assuming normality, the 94% confidence interval for the average monthly cost of all Central
clinics (in US$000’s) is:
a) 58.8 to 87.0
b) 52.8 to 92.1
c) 70.2 to 75.6
d) 60.7 to 85.1
District Clinics Mean Median Tri. Mean Variance S. E. Mean
North 49 73.8 75 73.5 362.9 *
Central 36 72.9 74.5 72.9 73.2 1.43
South 25 91.7 89 91.5 557.4 4.72
Answers: 2
Mathematics, 21.06.2019 21:00
Roger could feed 5 walruses with 4 kilograms of fish. how many walruses could he feed with 7.2 kilograms of fish?
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Brittany has designed four different birdcages, each with the same volume: a square pyramid, a cylinder, a cone, and a sphere. the zoo wants to use one of brittany’s designs but plans to change the volume of the cage. find the design change that would result in the birdcage with the greatest volume. a.) increase the area of the base of the square pyramid by a factor of ten. b.) increase the height of the cylinder by a factor of ten. c.) increase the radius of the cone by a factor of ten. d.) increase the radius of a sphere by a factor of ten.
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Questions 11-20 are based on the data in Table 2. This shows the cost in US$ 000’s per month of
a...
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