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The production department wants to explore the relationship between the number of employees who assemble a subassembly and the number produced. The complete set of paired observations follows:
Number of Assemblers One Hour Production (units)
2 15
4 25
1 10
5 40
3 30
A- Draw a scatter diagram
B- based on the diagram, does ther appear to be any relationship between assemblers and production.
C- Compute the coefficient of correlation.
D- Compute the coefficient of determination and evaluate the strength of relationship.
Assume that the smiling time of eight-week old babies, in seconds, follows a uniform distribution between 0 and 23 seconds, inclusive. This means that any smiling time from 0 to and including 23 seconds is equally likely.
A simple random sample of 1000 Americans found that 61% were satisfied with the service provided by the dealer from which they bought their car.
The Type 1 error states the probability of being wrong whenever:
The proportion of people aged 18-25 who currently use illicit drugs is equal to 0.20 (or 20%). Now, express the null hypothesis H0 and alternative hypothesis H1 in symbolic form.
Find out sample correlation coefficients of (I) age with dry weight, and (2) age with log 10 dry weight. Interpret your results.
Determine the highest number of miles (to nearest whole number) that motorist could drive in month and still qualify for discount?
Explain what these terms mean in describing the distribution of the sales reps' salaries.
Due to large losses incurred in the past several years, a firm has $2 billion in tax-loss carryforwards. This means that the next $2 billion of the firm's income will be free from corporate income taxes.
Below, explicitly state slope of your trend line and describe what value of slope signifies in terms of this context.
What is the predictive value of a negative test result? In other words, what is the probability that an individual who returns a negative tests for hypertension is not hypertensive? Please give your answer to 3 decimal places.
Determine the critical path probability that project will be completed within?
One state lottery has 1000 prizes of $1, 200 prizes of $5, 50 prizes of $25, 15 prizes of $150, 4 prizes of $500, and 1 prize of $2500. What is the lottery expected profit per ticket?
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