Jump to level 1 A auto maker is interested in information about how long transmissions last. A sample of transmissions are run constantly and the number of miles before the transmission fails is recorded. The auto maker claims that the transmissions can run constantly for over 150,000 miles before failure. The results of the sample are given below. Miles (1000s of miles) Mean 150.7 Variance 4.551 Observations 42 Hypothesized Mean 150 df 41 t Stat 2.17 p= Ex: 1.234 P(T<=t) one-tail t Critical one-tail 0.018 1.683 -2 1 3 P(T<=t) two-tail t Critical two-tail 0.036 2.02 t = Ex: 1.234 Confidence Level(95.0%) 0.665 What condition is met for the use of a t-distribution? Pick The populationhs stated to be not skewed. n = Ex: 5 x = Ex: 1The sample size is larger than 30. Degrees of freedom = Ex: 5 S = Ex: 1.234
Jump to level 1 A auto maker is interested in information about how long transmissions last. A sample of transmissions are run constantly and the number of miles before the transmission fails is recorded. The auto maker claims that the transmissions can run constantly for over 150,000 miles before failure. The results of the sample are given below. Miles (1000s of miles) Mean 150.7 Variance 4.551 Observations 42 Hypothesized Mean 150 df 41 t Stat 2.17 p= Ex: 1.234 P(T<=t) one-tail t Critical one-tail 0.018 1.683 -2 1 3 P(T<=t) two-tail t Critical two-tail 0.036 2.02 t = Ex: 1.234 Confidence Level(95.0%) 0.665 What condition is met for the use of a t-distribution? Pick The populationhs stated to be not skewed. n = Ex: 5 x = Ex: 1The sample size is larger than 30. Degrees of freedom = Ex: 5 S = Ex: 1.234
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section: Chapter Questions
Problem 8SGR
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Equations and Inequations
Equations and inequalities describe the relationship between two mathematical expressions.
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A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.
Question
Please answer all parts in the same format as pictured.
P=
T=
N=
X=
Degrees of freedom =
S=
Thanks
Transcribed Image Text:CHALLENGE ACTIVITY
6.2.2: Relating confidence intervals to hypothesis testing (one sample).
Jump to level 1
A auto maker is interested in information about how long transmissions last. A sample of transmissions are run
constantly and the number of miles before the transmission fails is recorded. The auto maker claims that the
transmissions can run constantly for over 150,000 miles before failure. The results of the sample are given below.
Miles (1000s of miles)
Mean
150.7
Variance
4.551
Observations
42
Hypothesized Mean
150
df
41
t Stat
2.17
p= Ex: 1.234
P(T<=t) one-tail
t Critical one-tail
P(T<=t) two-tail
t Critical two-tail
Confidence Level(95.0%) 0.665
0.018
1.683
-2
-1
3
0.036
2.02
t = Ex: 1.234
What condition is met for the use of a t-distribution? Pick
The populationhs stated to be not skewed.
n = Ex: 5
I = Ex: 1The sample size is larger than 30.
Degrees of freedom= Ex: 5
S = Ex: 1.234
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