The dataset HomesForSale has data on houses available for sale in three Mid-Atlantic states (NY, NJ, and PA). Table 1 shows the mean and standard deviation from the three Mid-Atlantic states, in thousands of dollars. Use this table, the knowledge that within the US the average house sells for about 265 thousand dollars1, and a 5% significance level to answer the following questions.
| State | n | Mean | Std. Dev. |
|---|---|---|---|
| New York | 30 | 565.6 | 697.6 |
| New Jersey | 30 | 388.5 | 224.7 |
| Pennsylvania | 30 | 249.6 | 179.3 |
Table 1 Mean housing prices for New York, New Jersey, and
Pennsylvania
Click here for the dataset associated with this question.
1According to the US Census in April 2011.
(a) Test whether the average cost of a house in New York is
significantly greater than the US average.
Give the test statistic and the p-value.
Round your answer for the test statistic to two decimal places and
your answer for the p-value to three decimal places.
test statistic = Enter your answer in accordance to item (a) of the
question statement
p-value = Enter your answer in accordance to item (a) of
the question statement
Is the average cost of a house in New York significantly greater
than the US average?
Choose the answer from the menu in accordance to item (a) of the
question statementChoose the answer from the menu in accordance to
item (a) of the question statement YesNo
(b) Test whether the average cost of a house in New Jersey is
significantly greater than the US average.
Give the test statistic and the p-value.
Round your answer for the test statistic to two decimal places and
your answer for the p-value to three decimal places.
test statistic = Enter your answer in accordance to item (b) of the
question statement
p-value = Enter your answer in accordance to item (b) of
the question statement
Is the average cost of a house in New Jersey significantly greater
than the US average?
Choose the answer from the menu in accordance to item (b) of the
question statementChoose the answer from the menu in accordance to
item (b) of the question statement YesNo
(c) Test whether the average cost of a house in Pennsylvania is
significantly greater than the US average.
Give the test statistic and the p-value.
Round your answer for the test statistic to two decimal places and
your answer for the p-value to three decimal places.
test statistic = Enter your answer in accordance to item (c) of the
question statement
p-value = Enter your answer in accordance to item (c) of
the question statement
Is the average cost of a house in Pennsylvania significantly
greater than the US average?
Choose the answer from the menu in accordance to item (c) of the
question statementChoose the answer from the menu in accordance to
item (c) of the question statement YesNo
(d) Which state shows the most evidence that the state average
is greater than the US average?
New York
New Jersey
Pennsylvania
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What is the maximum amount Rita may contribute to the self-employed
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a. She sets up a SEP IRA.
|
b. She sets up an individual 401(k).
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Rita is a self-employed taxpayer who turns 39 years old at the end of the year (2018). In 2018, her net Schedule C income was $282,000. This was her only source of income. This year, Rita is considering setting up a retirement plan. What is the maximum amount Rita may contribute to the self-employed plan in each of the following situations?
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| Maximum contribution | _______________? |
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Group of answer choices
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