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
p-value < 0.01
b. x¯x¯ = 277; s = 23; n = 36
p-value < 0.01
c. x¯x¯ = 277; s = 14; n = 11
p-value < 0.01
0.01 p-value < 0.025
d. x¯x¯ = 275; s = 14; n = 11
p-value < 0.01
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 ≤ 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 0.05p-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...
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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...
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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 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 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...
Consider the following hypotheses не: 78 HA: μ * 78 Find the p-value for this test based on the following sample information. (You may find It useful to reference the approprlate toble: z teble or t teble) 0.01 s p-value <0.02 O p-value<0.01 0.05 s p-value <0.10 0.02 s p-value <O.05 p-value 0.10 O p-value 0.10 0.05 s p-value <0.10 0.02 s p-value <O.05 0.01 s p-value <0.02 O p-value<0.01 c. z = 64: s = 10.0: n= 14 0.05...
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