Can you check my math on the following question The average price of homes sold in the medium size city in Canada in the past year was $220,000.
Can you check my math on the following question
The average price of homes sold in the medium size city in Canada in the past year was $220,000. A random sample of 81 homes sold this year showed an average price of $210,000 with a sample standard deviation of $36,000. Determine whether there has been a significant decrease in the average price of homes.
Compute the test statistic
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Order Paper Nowt = (220,000 – 210,000) – 0 / square 36,000/81 + 36,000/81
t = 10,000/29.814
t = 335.41289