Consider the following hypotheses: H0: μ ≤ 610 HA: μ > 610 Find the p-value for this test based on the following sample information. (You may find it useful to reference the appropriate table: z table or t table)
a. x¯ = 618; s = 24; n = 26
p-value 
0.10
0.05
p-value
< 0.10
0.01
p-value < 0.025
p-value < 0.01
0.025 p-value < 0.05
b. x¯ = 618; s = 24; n = 52
0.025p-value
< 0.05
p-value
0.10
0.01p-value
< 0.025
0.05
p-value < 0.10
p-value < 0.01
Homework Answers
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Consider the following hypotheses: H0: μ ≤ 610 HA: μ > 610
Find the p-value for...
Consider the following hypotheses: H0: μ ≤ 270 HA: μ > 270 Find the p-value for this test based on the following samp...
Consider the following hypotheses:
H0: μ ≤ 270
HA: μ > 270
Find the p-value for this test based on the following
sample information. (You may find it useful to reference
the appropriate table: z table or t
table)
a. x¯x¯ = 277; s = 23; n =
18
0.025
p-value < 0.05
0.01
p-value < 0.025
p-value 0.10
0.05
p-value < 0.10
p-value < 0.01
b. x¯x¯ = 277; s = 23; n =
36
p-value
0.10
0.025
p-value <...
Consider the following hypotheses: H0: μ ≤ 420 HA: μ > 420 Find the p-value for...
Consider the following hypotheses: H0: μ ≤ 420 HA: μ > 420 Find the p-value for this test based on the following sample information. (You may find it useful to reference the appropriate table: z table or t table) a. x¯ = 430; s = 41; n = 13 p-value 0.10 0.05 p-value < 0.10 0.025 p-value < 0.05 0.01 p-value < 0.025 p-value < 0.01 b. x¯ = 430; s = 41; n = 26 0.025 p-value < 0.05...
Consider the following hypotheses: H0: μ ≤ 210 HA: μ > 210 Find the p-value for...
Consider the following hypotheses: H0: μ ≤ 210 HA: μ > 210 Find the p-value for this test based on the following sample information. (You may find it useful to reference the appropriate table: z table or t table) a. x⎯⎯x¯ = 216; s = 26; n = 40 p-value < 0.01 0.01 ≤ p-value < 0.025 0.025 ≤ p-value < 0.05 0.05 ≤ p-value < 0.10 p-value ≥ 0.10 b. x⎯⎯x¯ = 216; s = 26; n = 80...
Consider the following hypotheses: H0: μ = 70 HA: μ ≠ 70 Find the p-value for...
Consider the following hypotheses: H0: μ = 70 HA: μ ≠ 70 Find the p-value for this test based on the following sample information. (You may find it useful to reference the appropriate table: z table or t table) a. x¯ = 66; s = 10.9; n = 19 A. p-value 0.10 B. 0.02 p-value < 0.05 C. 0.01 p-value < 0.02 D. 0.05 p-value < 0.10 E. p-value < 0.01 b. x¯ = 74; s = 10.9; n = 19 A. p-value 0.10 B....
Consider the following competing hypotheses: H0: ρxy ≥ 0 HA: ρxy < 0 The sample consists of 30 observations and the sample correlation coefficient is –0.46. [You may find it useful to reference t...
Consider the following competing hypotheses:
H0: ρxy ≥ 0
HA: ρxy < 0
The sample consists of 30 observations and the sample correlation
coefficient is –0.46. [You may find it useful to reference
the t table.]
a-1. Calculate the value of the test statistic.
(Round intermediate calculations to at least 4 decimal
places and final answer to 3 decimal places.)
a-2. Find the p-value.
p-value < 0.01
p-value
0.10
0.05
p-value < 0.10
0.025
p-value < 0.05
0.01
p-value <...
Consider the following hypotheses: H0: μ ≥ 160 HA: μ < 160 The population is normally...
Consider the following hypotheses: H0: μ ≥ 160 HA: μ < 160 The population is normally distributed. A sample produces the following observations: 152 138 151 144 151 142 Conduct the test at the 1% level of significance. (You may find it useful to reference the appropriate table: z table or t table) a. Calculate the value of the test statistic. (Negative value should be indicated by a minus sign. Round intermediate calculations to at least 4 decimal places and...
Consider tlowing hypotheses: H0: μ-12 HA12 Find the p-value for this test based on the following...
Consider tlowing hypotheses: H0: μ-12 HA12 Find the p-value for this test based on the following sample information. (You may find it useful to reference the appropriate table: z table or t table) a. X-11:s-3.2; n-36 Op-value<0.01 0.01 s p-value0.02 0.02 s p-value0.05 0.05 s p-value<0.10 O p-value 2 0.10 b. X = 13, s= 3.2; n= 36 p-value <0.01 0.01 s p-value0.02 0.02 s p-value<0.05 0.05 s p-value<0.10 p-value 20.10 C. X = 11, s = 2.8; n =...
Consider the following hypotheses: H0: μ = 19 HA: μ ≠ 19 The population is normally...
Consider the following hypotheses: H0: μ = 19 HA: μ ≠ 19 The population is normally distributed. A sample produces the following observations: (You may find it useful to reference the appropriate table: z table or t table) 20 23 17 21 21 24 23 Click here for the Excel Data File a. Find the mean and the standard deviation. (Round your answers to 2 decimal places.) b. Calculate the value of the test statistic. (Round intermediate calculations to...
Exercise 9-39 Algo Consider the following hypotheses: H0: μ = 20 HA: μ ≠ 20 The...
Exercise 9-39 Algo Consider the following hypotheses: H0: μ = 20 HA: μ ≠ 20 The population is normally distributed. A sample produces the following observations: (You may find it useful to reference the appropriate table: z table or t table) 24 20 24 21 21 24 19 Click here for the Excel Data File a. Find the mean and the standard deviation. (Round your answers to 2 decimal places.) b. Calculate the value of the test statistic. (Round...
It is advertised that the average braking distance for a small car traveling at 70 miles...
It is advertised that the average braking distance for a small
car traveling at 70 miles per hour equals 120 feet. A
transportation researcher wants to determine if the statement made
in the advertisement is false. She randomly test drives 37 small
cars at 70 miles per hour and records the braking distance. The
sample average braking distance is computed as 111 feet. Assume
that the population standard deviation is 21 feet. (You may
find it useful to reference the...
Consider the following hypotheses:
H0: μ ≤ 270
HA: μ > 270
Find the p-value for this test based on the following
sample information. (You may find it useful to reference
the appropriate table: z table or t
table)
a. x¯x¯ = 277; s = 23; n =
18
0.025
p-value < 0.05
0.01
p-value < 0.025
p-value 0.10
0.05
p-value < 0.10
p-value < 0.01
b. x¯x¯ = 277; s = 23; n =
36
p-value
0.10
0.025
p-value <...
Consider the following competing hypotheses:
H0: ρxy ≥ 0
HA: ρxy < 0
The sample consists of 30 observations and the sample correlation
coefficient is –0.46. [You may find it useful to reference
the t table.]
a-1. Calculate the value of the test statistic.
(Round intermediate calculations to at least 4 decimal
places and final answer to 3 decimal places.)
a-2. Find the p-value.
p-value < 0.01
p-value
0.10
0.05
p-value < 0.10
0.025
p-value < 0.05
0.01
p-value <...
Consider tlowing hypotheses: H0: μ-12 HA12 Find the p-value for this test based on the following sample information. (You may find it useful to reference the appropriate table: z table or t table) a. X-11:s-3.2; n-36 Op-value<0.01 0.01 s p-value0.02 0.02 s p-value0.05 0.05 s p-value<0.10 O p-value 2 0.10 b. X = 13, s= 3.2; n= 36 p-value <0.01 0.01 s p-value0.02 0.02 s p-value<0.05 0.05 s p-value<0.10 p-value 20.10 C. X = 11, s = 2.8; n =...
It is advertised that the average braking distance for a small
car traveling at 70 miles per hour equals 120 feet. A
transportation researcher wants to determine if the statement made
in the advertisement is false. She randomly test drives 37 small
cars at 70 miles per hour and records the braking distance. The
sample average braking distance is computed as 111 feet. Assume
that the population standard deviation is 21 feet. (You may
find it useful to reference the...
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