For the 22 houses sold in Macomb, the average selling price was 185,000$ with standard deviation...

For the 22 houses sold in Macomb, the average selling price was 185,000$ with standard deviation of 45,000$. For the 53 houses sold in Peoria, the average selling price was 200,000$ with standard deviation of 35,000$. At a α = 0.10 level of significance, is there evidence that the mean house selling price in Macomb is less than Peoria? (a) Hypothesis: H0 :

Ha :

(b) Test Statistics=

(c) Pvalue=

(d) The degrees of freedom, d.f=

(e) The pooled standard deviation, Sp =

(f) Decision:

(g) Conclusion:

Expert Solution

orchestra answered 2 years ago

The variables in the file are Price -Average selling price of houses Location -A code to...

The variables in the file are Price -Average selling price of houses Location -A code to indicate the location of the house Condition -A code to indicate the physical condition of the house Bedrooms Number of bedrooms in the house Bathrooms Number of bathrooms in the house Other Rooms Number of other rooms in the house (a) Run a regression of Price on Location, Condition, Bedrooms, Bathrooms and Other Rooms. Please attach your Excel file. (b) What variables seem to...

The following data give the selling price and square footage of houses that have sold in...

The following data give the selling price and square footage of houses that have sold in Bend, OR in the past 6 months. Selling Price ($) Square Footage 84,000 1,670 79,000 1,339 91,500 1,712 120,000 1,840 127,500 2,300 132,500 2,234 145,000 2,311 164,000 2,377 155,000 2,736 168,000 2,500 172,500 2,500 174,000 2,479 175,000 2,400 177,500 3,124 184,000 2,500 195,500 4,062 195,000 2,854 Graph the data to see whether a linear equation might describe the relationship between selling price and the...

The average score for games played in the NFL is 22 and the standard deviation is...

The average score for games played in the NFL is 22 and the standard deviation is 9 points. 13 games are randomly selected. Round all answers to 4 decimal places where possible and assume a normal distribution. What is the distribution of ¯xx¯? ¯xx¯ ~ N(,) What is the distribution of ∑x∑x? ∑x∑x ~ N(,) P(¯xx¯ > 19.1557) = Find the 72th percentile for the mean score for this sample size. P(20.0557 < ¯xx¯ < 25.0481) = Q1 for the...

The average time to run the 5K fun run is 22 minutes and the standard deviation...

The average time to run the 5K fun run is 22 minutes and the standard deviation is 2.5 minutes. 49 runners are randomly selected to run the 5K fun run. Round all answers to 4 decimal places where possible and assume a normal distribution. What is the distribution of XX? XX ~ N(,) What is the distribution of ¯xx¯? ¯xx¯ ~ N(,) What is the distribution of ∑x∑x? ∑x∑x ~ N(,) If one randomly selected runner is timed, find the...

1. The average price for a new car is $18,000 and the standard deviation is $1,500....

1. The average price for a new car is $18,000 and the standard deviation is $1,500. Calculate the z scores for the following individual scores. SHOW YOUR WORK.If X = 19,000, z = _ 2. Using z-scores. SHOW YOUR WORK The percent of area beyond z = 1.44 is 3. Using z-scores. SHOW YOUR WORK ).The percent of area between the z = 1.40 and z = 1.49 is ________. 4. Using z-scores. SHOW YOUR WORK The percent of TOTAL...

The average price of a college math textbook is $171 and the standard deviation is $20....

The average price of a college math textbook is $171 and the standard deviation is $20. Suppose that 17 textbooks are randomly chosen. Round all answers to 4 decimal places where possible. A. What is the distribution of ¯x? ¯x ~ N( , ) B. For the group of 17, find the probability that the average price is between $172 and $176. C. Find the third quartile for the average textbook price for this sample size. $ (round to the...

Effects on Selling Price of Houses Square Feet Number of Bedrooms Age Selling Price 1125 2...

Effects on Selling Price of Houses Square Feet Number of Bedrooms Age Selling Price 1125 2 1 121500 1461 3 4 123600 1527 3 8 158100 1719 4 9 214800 1745 4 9 215500 2197 4 11 255000 2414 4 13 257200 28302830 4 14 262200 30153015 5 14 282400 Determine if a statistically significant linear relationship exists between the independent and dependent variables at the 0.01 level of significance. If the relationship is statistically significant, identify the multiple regression...

The average ticket price for a Spring Training baseball game is $30.21, with a standard deviation...

The average ticket price for a Spring Training baseball game is $30.21, with a standard deviation of $6.15. In a random sample of 40 Spring Training tickets, find the probability that the mean ticket price exceeds $33. (Round your answer to three decimal places)

The average ticket price for a Spring Training baseball game is $29.80, with a standard deviation...

The average ticket price for a Spring Training baseball game is $29.80, with a standard deviation of $7.35. In a random sample of 40 Spring Training tickets, find the probability that the mean ticket price exceeds $32. (Round your answer to three decimal places)

The average price of personal computers manufactured by MNM Company is $1,200 with a standard deviation...

The average price of personal computers manufactured by MNM Company is $1,200 with a standard deviation of $220. Furthermore, it is known that the computer prices manufactured by MNM are normally distributed. All probabilities should be to four decimal places. What is the probability that a randomly selected computer will have a price of at least $1,530? Answer Computers with prices of more than $1,750 receive a discount. What percentage of the computers will receive the discount? (Round to two...

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