Examlex
An ideal Polaroid will transmit 50% of nonpolarized incident light.How much light is transmitted by two ideal Polaroids oriented with their axes parallel to each other?
Degrees of Freedom
The number of independent values or quantities that can vary in a statistical calculation.
Chi-Square Critical Value
A point on the chi-square distribution that is compared to the chi-square test statistic to determine whether to reject the null hypothesis.
Level of Significance
Level of significance is a threshold in hypothesis testing, denoted as alpha, that determines the probability of rejecting the null hypothesis when it is true.
Chi-Squared Curve
A graphical representation of the chi-squared distribution, showing the probability of chi-squared values along the x-axis.
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