The Grangeville Power Company has four classifications for its customers. For each customer classification, the company tracks the total amount of electricity used during the year.
Which of the following types of graphs would be most appropriate to use?A) A horizontal bar chart
B) A vertical bar chart
C) Both A and B would be appropriate.
D) A histogram
Question 2
Suppose it is known that the income distribution in a particular region is right-skewed and bi-modal. If bank economists are interested in estimating the mean income, which of the following is true?
A) Provided that the sample size is sufficiently large, the sampling distribution for will be approximately normal with a mean equal to the population mean that they wish to estimate.
B) The sampling distribution will also be right-skewed for large sample sizes.
C) The standard deviation of the sampling distribution for will be proportionally larger than the population standard deviation, depending on the size of the sample.
D) The sampling distribution will be left-skewed.
A comparison of the sizes of various chemical and biological structures, and the resolving power of
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