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The hypotheses H0: μ = 10 versus Ha: μ ≠ 10 are examined using a sample of size n = 18. The one-sample t statistic has the value t = -2.05. Between what two values does the P-value of this test fall?
a. 0.01 < P-value < 0.025
b. 0.02 < P-value < 0.05
c. 0.025 < P-value < 0.05
d. 0.05 < P-value < 0.10
Compute average daily rainfall in the week and for weekends. Get the average of weekdays' rainfalls and average of weekend's rainfalls.
Compute and interpret each of the statistics in parts(a) through (f) Mean and Median.
Determine for each variable if it is the explanatory variable, the response variable, or whether it could be both.
If the standard deviation is $89.46, find the probability that a randomly selected customer spends between $550.67 and $836.94.
Construct a 98% prediction interval for the selling price of a 4l- year old house having 4500 square feet, 13 rooms, and an attached garage.
What are the expected value and variance of the following probability distribution?
The random variable x is known to be uniformly distributed between 1.0 and 1.5.
Find the probability that at least one subject experiences headaches. Is it unusual to have at least one of six subjects experience headaches?
Suppose we drew a histogram of these 18 death rates using class intervals 1 — 1.9, 2 — 2.9, 3 — 3.9, 4 — 4.9 and 5 — 5.9. Using the histogram, we would
Determine probability of waiting less than 12 minutes between successive speeders. By using cumulative distribution function of X.
For value 10,40,20,50 and 40, value of arithmetic mean is? Simplest measure of dispersion is the Standard deviation, variance, Quartile deviation.
A researcher measures a response variable Y and explanatory variable X on each of several objects. A scatterplot of the measurements is as follows.
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