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1. Calculate each of the following values for the data set below (assume it is a population).
{3.42, 4.10, 4.15, 4.19, 4.26, 4.85, 5.01, 6.22}
a. Variance b. Standard deviation c. Skewness
2. Repeat parts a and b of the first exercise under the assumption that the data set is a sample.
Bob enjoys making candy and some friends have encouraged him to open a candy-making business. To see if the local citizens buy enough candy,
Looking for 1-2 paragraphs per question with explanations and an example to help illustrate them. I get the basic idea of each question, but I would like something more illustrative to nail down the topics
The response times for the first month are 26, 30, 28, 29, 25, 28, 32, 35, 24, 23 min. Using the .05 significance level, did she keep her promise?
Small Wonder, an amusement park, experiences seasoned attendance. It has collected two years of quarterly attendance data and made a forecast of annual attendance for the upcoming year.
Chandra has 5 liters of a 24% solution of sodium hydroxide in a container. What is the amount and concentration of sodium hydroxide solution she must add to this in order to end up with 8 liters of 27% solution?
You own a small tea company, Sweet Leaf, NASDQ ticker symbol LEAF. You are looking at marketing costs versus benefits. Your production manager says it doesn't matter which tea you produce
If you take a random sample of size 100 from this population, find the probability that the sample mean falls between 48 and 51.
Suppose that in fact 8% of the apples on the truck do not meet the desired standard. What's the probability that the shipment will be accepted anyway?
Decide between two stock investment choices. Determine the probability for each condition to make the investment even between the two.
Construct a scatter plot and calculate the slope and intercept in this problem
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 ..
Mmean number of outgoing calls in a random selection of calls? Also, compute the standard deviation. In a selection of 12 calls, what is the probability that less than 3 were outgoing?
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