Calculate the probability of a Type II error for the following test of the hypothesis: H0: mu = 50, HA: mu greater than 50 given that alpha = 55, s = 0.05, s = 10 and n = 16. Test the hypothesis using the P...
1-alpha is the chance to accept the null hypothesis when it is true –a correct decision-. This is called reliability. A type 2 error, or beta, is made when H0 is not rejected, when in fact H0 is not true. Beta is the probability of saying on the outcome of a test there is no...
is a property of a hypothesis testing method: the probability of rejecting the null hypothesis given that it is false, i.e. the probability of not making a type II error. The power of a test depends on sample size, effect size, and the significance (𝛼) level of th...
Open the spreadsheet with the data you want to conduct a hypothesis and click on the cell you want to calculate the P-value. In the fx tab above the cells, enter the TTEST’s formula =T.TEST(array1, array2, tails, type), replacing array1, array2, tails, and type with valu...
The significance level used in a hypothesis test is: A. the probability of a type 2 error given that the null hypothesis is false. B. the probability of a type 2 error given that the null hypothesis is true. C. the probability of ...
While it’s feasible to conduct a hypothesis test without calculating the statistical power, doing so may result in inconclusive or untrustworthy results. Statistical Power and Beta A Type I error is the incorrect rejection of a truenull hypothesis. Alpha is thesize of the test. A Type II er...
T.TEST: to conduct hypothesis testing and determine if differences between two datasets are statistically significant.By mastering these functions, you can elevate your statistical analysis, uncover deeper insights, and make your Excel data work even harder for you.FAQ...
v=√2×2.275×10−259.1×10−31 Step 4: Calculate the velocityCalculating the expression inside the square root:v=√4.55×10−259.1×10−31v=√5.000×105≈7071.07m/s Step 5: Use De Broglie's equation to find the wavelengthAccording to De Broglie's hypothesis, the wavelength λ ...
The p-value hypothesis test does not necessarily make use of a preselected confidence level at which the investor should reset the null hypothesis that the returns are equivalent. Instead, it provides a measure of how much evidence there is to reject the null hypothesis. The smaller the p-valu...
Confidence intervals are conducted using statistical methods, such as a t-test. A t-test is a type of inferential statistic used to determine if there is a significant difference between the means of two groups, which may be related to certain features. Calculating a t-test requires three key...