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Answer the following statistics questions related to the topic of "Measure of Central Tendency". Provide clear and precise explannations.
Question 1: How we find median from the data?
Question 2: When to use Geometric mean?
Question 3: Differentiate between Geometric mean and Harmonic mean?
Let Y denote a random variable that has a geometric distribution, with a probability of success on any trial denoted by p.
A population of scores has p = 44. In this population, an X value of 40 corresponds to z = - 0.50. What is the population standard deviation.
a load cell is used to take repeated measurements of the force produced by a hydraulic cylinder. the load cell has an
Mean caffeine content of 146 milligrams and a standard deviation of 22 milligrams. At α = .10, do you have enough evidence to reject the shop's claim?
Use a = .05 to test for significant difference in the mean service ratings among the three sizes of cruise ships. Results of using Excel's Anova: Single Factor Data Analysis tool:
Define standard error of measurement. Describe its relationship to confidence intervals (you will need to define confidence intervals in your answer).
let y1 y2 ... yn denote a random sample from uniform distribution on the interval 0 theta.let ybar sample mean max
ipad mini weighs less than 11 ounces and is about 50 lighter than the standard ipad. battery tests for the ipad mini
In case of fire, the probability that D1 operates correctly is 0.95 and the probabilty that D2 operates correctly is 0.92. Find the probability that the sprinkler system will come on.
Illustrate what is the probability all four calls are infact emergencies. Illustrate what is the probability that three or more calls are not emergencies.
A statistical study reported that a drug was effective with a p-value of .042. (a) Is this true? An effective sample may be found about 42 times in 1000 samples.
Is the normal distribution (or its special case, the standard normal distribution) effective in characterizing situations and/or in helping managers make decisions?
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