A national online business magazine reports that the average cost of a speeding ticket in Miami, including court fees, is $220. A local police department claims that this amount has increased. To test their claim, they collect data from a simple random sample of 16 drivers who have been fined for speeding in the last year. Assuming that the distribution of speeding ticket costs is normally distributed and the population standard deviation is $12, is there sufficient evidence to support the police department’s claim at the 0.01 level of significance? Speeding Ticket Costs in Miami $221 $241 $212 $245 $235 $234 $217 $218 $244 $203 $203 $239 $225 $229 $235 $211Copy Data Step 2 of 3 : Compute the value of the test statistic. Round your answer to two decimal places.
A national online business magazine reports that the average cost of a speeding ticket in Miami, including court fees, is $220. A local police department claims that this amount has increased. To test their claim, they collect data from a simple random sample of 16 drivers who have been fined for speeding in the last year. Assuming that the distribution of speeding ticket costs is normally distributed and the population standard deviation is $12, is there sufficient evidence to support the police department’s claim at the 0.01 level of significance? Speeding Ticket Costs in Miami $221 $241 $212 $245 $235 $234 $217 $218 $244 $203 $203 $239 $225 $229 $235 $211Copy Data Step 2 of 3 : Compute the value of the test statistic. Round your answer to two decimal places.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
Related questions
Question
A national online business magazine reports that the average cost of a speeding ticket in Miami, including court fees, is $220. A local police department claims that this amount has increased. To test their claim, they collect data from a simple random sample of 16 drivers who have been fined for speeding in the last year. Assuming that the distribution of speeding ticket costs is normally distributed and the population standard deviation is $12, is there sufficient evidence to support the police department’s claim at the 0.01 level of significance?
Speeding Ticket Costs in Miami
Copy Data
Speeding Ticket Costs in Miami
$221 | $241 | $212 | $245 | $235 | $234 | $217 | $218 |
$244 | $203 | $203 | $239 | $225 | $229 | $235 | $211 |
Step 2 of 3 :
Compute the value of the test statistic. Round your answer to two decimal places.
Answer
Tables Keypad
Keyboard ShortcutsAnswer
Submit Answer
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution!
Trending now
This is a popular solution!
Step by step
Solved in 4 steps with 1 images
Recommended textbooks for you
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill