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Incomes at a company are shown in the table in thousands of dollars, but some values are missing.
Income Percent Height of bar
30-50 14 0.07
50-60 16 0.16
60-80 25 0.125
80-110 30 0.1
110-160 15 0.03
a) Fill in the table and draw the corresponding histogram. If you can`t figure out the table, just put in anything and draw a histogram. More than one answer may be possible. For all parts of this problem you can assume that the data is continuous, spread evenly within each class interval, and use the left endpoint convention.
b) What is the 40th percentile of income? Answer as precisely as possible.
The annual salary of an electrical engineer is given in terms of the years of experience by the table below. Find the equation of linear regression for the above data and obtain the expected salary for an engineer with 45 years of experience.
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In this discussion, we will investigate confidence intervals and t tests for continuous data. To do this, we will revisit the TAA data that you studied in the Week Three assignment.
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