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Part 1: Define and explain historical research. Explain a situation in which historical research would be appropriate.
Part 2: Explain the difference between external and internal evidence and give examples of each.
Part 3: Provide an explanation and an example of the following descriptive research designs:
a) Observation studies
b) Correlation research
c) Developmental designs
d) Cross-Sectional Design
e) Longitudinal Design
f) Cross-sequential
g) Survey research
h) Sampling bias
What is the point estimate of the proportion of the population of employees who strongly dislike their current work experience (to 2 decimals)?
Looking at the data, you suspect that the manufacturer is incorrect in its label claim. You want to perform hypothesis testing to prove or disprove it.
Is there sufficient evidence to support the claim that site has an effect on the amount of pesticide?
Reading highway signs is not always easy, especially if your vision is imperfect. Vision in general tends to deteriorate with age. Two researchers conducted a study to determine if the distance at which a standard highway sign could be recognized ..
Can we conclude from this that most workers there earn between $25 and $35 per hour? Is this the right interpretation for the margin of error?
A large bakery buys flour in 25-pound bags. The bakery uses an average of 4,860 bags a year. Preparing an order and receiving a shipment of flour involves a cost of $10 per order. Annual carrying costs are $75 per bag.
Let C be the event that a diner gets the correct meal and let N be the event that a diner gets an incorrect meal. Find the probability that:
Why might supposition of normal population be doubtful? Problem arises when?
Is it necessary to assume a normal distribution on the population to estimate the value of the mean spending per day? Explain.
Determine change in average number of weekly viewers from to?
To find the probabilities values of standard normal variable
Compute the incidence proportion or the risk ratio that compares group 1 to group 0, and compute the Incidence proportion or the risk ratio which compares group 2 to group 0. Then post a summary of your findings.
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