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Ages of Pennies We collected 50 pennies and recorded their ages, by calculating AGE = CURRENT YEAR = YEAR ON PENNY.
5
1
9
2
20
0
25
17
4
3
8
28
21
19
16
22
10
36
23
6
b. Draw a relative frequency histogram to describe the distribution of penny ages. How would you describe the shape of the distribution?
what is an example of a variable for which we would use a x2
She contends that the theory is incorrect because over the past two years she has raised the price of her catered meals and yet has seen a brisk increase in sales. How would you respond to Haslina?
james w. has a portfolio that includes 20 shares of disney and 30 shares of amazon. the price of disney stock is
Describe what happens when the sample standard deviations get smaller and discuss the effects of decreasing the sample size
Women with different educational levels seem to have different occupations. Or is this just chance variation?
The owner of a car dealership wants to determine whether there is a relation between the income level and the type of vehicle purchased in their dealership.
A package of frozen vegetables has a label that says "contents 32 oz." The company that produces these packages knows that the weights are normally distributed with mean 32 oz. and has a standard deviation of 2 oz.
Find the average of the three trials, so the correct number of significant figures, and decide if these measurements gave an accurate result.
Regression line drawn as y c 1075x, when x was 2 and y was 239 given that y intercept was 11, calculate the residual.
Contains two black, six brown, and two blue socks, all randomly arranged. What is the probability that the two he draws are a matching pair?
How many bolts should be sampled in order to make us 95% confident that the sample mean bolt length is within .02 inches of the true mean bolt length?
Initially the wheel rotates with an angular speed W, causing the block to rise with a linear speed v = 0.33 m/s. Find the moment of inertia of the wheel if the block rises to a height of = 7.9 before momentarily coming to rest.
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