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1) When is "mode" the better measure?
Think about what you have learned and how you can relate it to your profession, your daily life, or a realistic hypothetical situation.
2) Then, create (invent) a realistic small dataset that can be best described by mode and poorly described by mean.
3) List the dataset.
4) What does the mode tell us about the data?
5) Why is the mean a poor measure for this data?
Find a probability that a randomly chosen student owns atleast one of the above vehicles. What is the probability that a randomly chosen student does not own a bike.
A female offspring has no chance of inheriting the disease. Further suppose that 51.3% of births are male. What is the probability that a randomly chosen child will be affected by the disease?
During a recent year the average cost of making a movie was $54.8 million. This year, a random sample of 15 recent action movies had an average production cost of $62.3 million with a variance of $ 8 million.
the study obtained a measure to determine how comfortable the shopper was in a store. Higher scores indicated greater comfort. Suppose the following data were collected. Use a = .05 to test for differences among comfort levels for three types of b..
A SRS of size 16 drawn from a Normally Distributed population has a mean of 30 and a standard deviation, s, of 5. With 95% confidence, what is the interval that captures the true mean of the population?
Payne (2001) gave participants a computerized task in which they first see a face and then a picture of either a gun or a tool. The task was to press one button if it was a tool and a different one if it was a gun.
consider a regression study involving a dependent variable y a quantitative independent variable x1 and a categorical
1 a in the referendum on scottish independence a survey finds that 45 will vote yes while 55 will vote no. on the day
suppose that a point x y is to be chosen at random in the xy-plane where x and y are independent random variables and
a researcher would like to evaluate the effectiveness of a pain-relief patch designed for lower back pain. prior to
a researcher has developed a new drug designed to reduce blood pressure. in an experiment 21 subjects were assigned
If "fair" coin is tossed four times and comes up heads all four times, probability of heads on the fifth trial is?
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