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Conduct an F test for the existence of a linear relationship in the case of given problem.
Problem The following are data on annual inflation and stock returns. Run a regression analysis of the data and determine whether there is a linear relationship between inflation and total return on stocks for the periods under study.
Inflation (%)
Total return on stocks (%)
1
-3
2
36
12.6
12
-10.3
-8
0.51
53
2.03
-2
-1.8
18
5.79
32
5.87
24
a 95 confidence interval for mean diastolic blood pressure in women is 62 to 110. what is the margin of error? what is
The average hourly wage of employees of a certain company is $12.37. Assume the variable is normally distributed. If the standard deviation is $3.84, find the probability that a randomly selected employee earns less than $8.72.
A company is interested in evaluating its current inspection procedure on shipments of 20 identical items. They take a sample of 5 and accept the shipment if no more than the allowed maximum of the samples are found to be defective.
A researcher computes the mean, the median, and the mode for a set of n = 50 responses to this question. Which of the following statements accurately describes the measures of central tendency?
The number of sit-ups that a person can do in one minute, both before and after a physical fitness course was recorded. The data is shown below for 10 randomly selected participants.
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Describe a simulation to estimate the probability of answering at least four of the ten questions correctly. carry out three repititons. estimate the probability
Sketch a histogram of these data and give the modal class.
a genetic test is used to determine if people have a predisposition for thrombosis which is the formation of a blood
An American put option to sell a swiss franc for dollars has a strike price of $0.80 and a time to maturity of one year. The volatility of the swiss franc is 10%
an airline wants to estimate the average number of unoccupied seats per flight. a random sample of 105 flights is
the probability of successfully rehabilitating a convicted criminal in a penal institution is 0.40 . a random sample of
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