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Differentiate between mean, median, and mode.
? Interpret distribution shapes, especially with respect to skewness and outliers.
? Explain the concept of bell curve.
consider the following experiment a ball is drawn without replacement from an urn containing two red and three blue
a bowl contains 8 red 2 green 5 yellow and 2 orange marbles. a sample of 3 marbles is chosen at random from the bowl.a.
Five homes were recently sold in Oxnard Acres. Four of the homes sold for $400,000 while the fifth home sold for $2.5 million. Which measure of central tendency best represents a typical home price in Oxnard Acres?
Calculate the correlation and the regression equation and plot the data in the space provided.
a random sample of 25 lunch orders at noodles and company showed a mean bill of 14.58 with a standard deviation of
If the speed of lights is 3.00x 10 to the power of 8 m/sec, how long does it take light to travel 2.29x 10 to the power of 11 m, the distance from the sun to Mars? Round to one decimal place.
From an inventory of 48 cars being shipped to local automobile makers, 12 have defective radios installed. What is the probability that one particular dealership receiving 8 cars will find 2 radios being defective? Make assumptions if necessary.
the random variable x represents the number of cars per household in a town of 1000 households. find the probability of
The grades on a statistics midterm test are normally distributed with a mean of 78 and a standard deviation of 6
You want to prove that a population mean is not 7. Data is ratio and a large sample size will be used (n = 225). When the sample is done the sample mean is computed to be 7.2 and the sample standard deviation is 1.5.
A coin is tossed 25 times. let x + the number of tosses that result in heads(H) Consider the following rule for deciding whether or not the coin is fair. What is the probability of judging the coin to be biases when its actually fair?
What is the Chi-square test? Where can you apply it? Please site an example of how it was used and the outcome of the test. I think this could help me better than the book, it is difficult to understand.
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