You wish to test the following claim (HaHa) at a significance level of α=0.001α=0.001. Ho:μ=64.1Ho:μ=64.1 Ha:μ>64.1Ha:μ>64.1 You believe the population is normally distributed and you know the standard deviation is σ=20.3σ=20.3. You obtain a sample mean of M=70.5M=70.5 for a sample of size n=62n=62. What is the test statistic for this sample? (Report answer accurate to three decimal places.) test statistic = What is the p-value for this sample? (Report answer accurate to four decimal places.) p-value = The p-value is... less than (or equal to) αα greater than α
You wish to test the following claim (HaHa) at a significance level of α=0.001α=0.001. Ho:μ=64.1Ho:μ=64.1 Ha:μ>64.1Ha:μ>64.1 You believe the population is normally distributed and you know the standard deviation is σ=20.3σ=20.3. You obtain a sample mean of M=70.5M=70.5 for a sample of size n=62n=62. What is the test statistic for this sample? (Report answer accurate to three decimal places.) test statistic = What is the p-value for this sample? (Report answer accurate to four decimal places.) p-value = The p-value is... less than (or equal to) αα greater than α
You wish to test the following claim (HaHa) at a significance level of α=0.001α=0.001. Ho:μ=64.1Ho:μ=64.1 Ha:μ>64.1Ha:μ>64.1 You believe the population is normally distributed and you know the standard deviation is σ=20.3σ=20.3. You obtain a sample mean of M=70.5M=70.5 for a sample of size n=62n=62. What is the test statistic for this sample? (Report answer accurate to three decimal places.) test statistic = What is the p-value for this sample? (Report answer accurate to four decimal places.) p-value = The p-value is... less than (or equal to) αα greater than α
You wish to test the following claim (HaHa) at a significance level of α=0.001α=0.001.
Ho:μ=64.1Ho:μ=64.1 Ha:μ>64.1Ha:μ>64.1
You believe the population is normally distributed and you know the standard deviation is σ=20.3σ=20.3. You obtain a sample mean of M=70.5M=70.5 for a sample of size n=62n=62.
What is the test statistic for this sample? (Report answer accurate to three decimal places.) test statistic =
What is the p-value for this sample? (Report answer accurate to four decimal places.) p-value =
The p-value is...
less than (or equal to) αα
greater than α
Features Features Normal distribution is characterized by two parameters, mean (µ) and standard deviation (σ). When graphed, the mean represents the center of the bell curve and the graph is perfectly symmetric about the center. The mean, median, and mode are all equal for a normal distribution. The standard deviation measures the data's spread from the center. The higher the standard deviation, the more the data is spread out and the flatter the bell curve looks. Variance is another commonly used measure of the spread of the distribution and is equal to the square of the standard deviation.
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