Answer to Question #49016 in Statistics and Probability for Jesse

Question

I surveyed each house on the block to determine how much we are spending on Halloween
treats. The distribution below represents the results in dollars.
$Spent f
50-59 1
40-49 2
30-39 5
20-29 12
10-19 7
0-9 7

Calculate whether there has been a significant increase over the average 2010 figure of $18
reported in the neighborhood newspaper. State the hypotheses, alpha, df, and critical value.
Write a report including all necessary information about your results.