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Statistical Hypothesis testing - Frequency distribution
Construct a frequency distribution for the data given below:
26
25
17
16
14
21
18
15
19
22
24
At the .01 significance level, can the manufacturer conclude that the price reduction resulted in an increase in sales?
At 1 excavation site 8641 pot shards have been found that have not presently been cleaned also identified. Define the probability.
For a population with a mean of μ = 60 and a standard deviation of σ = 24, find the Z score corresponding to each of the following samples.
Explain the effect outliers can have on the analysis of the center of this data set. Based on the box-plot and histogram you created for problem 1, do there appear to be any outliers?
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Find the probability that a women develops breast cancer given that she has a family history of breast cancer._____________
If it is determined that there is no difference between the population mean being represented by the sample and the mean of the population at large, then:
If a complete failure occurs, calculate the probability that the fault occurred in:
Carry out test of independence to find out whether employee health insurance coverage is independent of size of company. Use α = 0.05 level of significance.
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