Question 1 A car company claims that their Super Spiffy Sedan averages 31 mpg. You randomly select 8 Super Spiffies from local car dealerships and test their gas mileage under similar conditions. You get the following MPG scores: MPG: 30 28 32 26 33 25 28 30 Does the actual gas mileage for these cars deviate significantly from 31 (alpha = .05)?
Question 1 A car company claims that their Super Spiffy Sedan averages 31 mpg. You randomly select 8 Super Spiffies from local car dealerships and test their gas mileage under similar conditions. You get the following MPG scores: MPG: 30 28 32 26 33 25 28 30 Does the actual gas mileage for these cars deviate significantly from 31 (alpha = .05)?
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
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![t-test assignment
Question 1 A car company claims that their Super Spiffy Sedan averages 31
You randomly select 8 Super Spiffies from local car dealerships and test their gas
mileage under similar conditions.
mpg.
You get the following MPG scores:
MPG:
30
28
32
26
33
25
28
30
Does the actual gas mileage for these cars deviate significantly from 31 (alpha = .05)?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fca59c7be-3c90-465e-a7fa-ac78f7bbd4f5%2F77bf23b3-24fa-4ac3-8236-75dea16e09b0%2F4jw5lii_processed.jpeg&w=3840&q=75)
Transcribed Image Text:t-test assignment
Question 1 A car company claims that their Super Spiffy Sedan averages 31
You randomly select 8 Super Spiffies from local car dealerships and test their gas
mileage under similar conditions.
mpg.
You get the following MPG scores:
MPG:
30
28
32
26
33
25
28
30
Does the actual gas mileage for these cars deviate significantly from 31 (alpha = .05)?
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