Two Sample z-Interval Using Summary Statistics Press STAT and navigate to the TESTS menu Input the data in the column labeled L1, pressing ENTER after each valueĬhoose QUIT by pressing 2nd and then MODE. Press STAT and navigate to the TESTS menu.Ĭhoose Data as the input and press ENTER. Press QUIT by pressing 2nd and then MODE. ![]() Input the data in the column labeled L1, pressing ENTER after each value. Press STAT and navigate to the EDIT menu. ![]() Observe the confidence interval displayed on the screen. Input the corresponding values for the variables. Press ENTER.Įnter L 1 for Observed (2 nd, 1), and L 2 for Expected (2 nd, 2).Įnter the appropriate degrees of freedom ( df). Press STAT, select TESTS, and χ 2GOF-Test. Input the observed data in L1 and the expected values in L2. Press STAT, select TESTS, and scroll down to χ 2-Test. Input the actual data into the matrix with the observed data in the first column of the matrix and the expected values in the second column. Select MATRIX by pressing 2 nd and then x -1.Įnter the matrix dimensions: number of rows by number of columns. Select DISTR by pressing 2 nd and then VARS.Įnter (χ 2, upper bound, degrees of freedom). Used for finding the p-value corresponding to a χ 2 test statistic. Press ENTER to display the cumulative probability.Ĭhi-Square Distribution Left Tailed Probability (cdf) ![]() Input the number of trials, the probability of success, and the number of successes. Input the values 0 to n in L1 to complete the binomial distribution table. To store the probabilities in L2, press STO→ and then ( 2nd, 2).Ĭhoose EDIT and then 1: Edit.Press ENTER. Input the number of trials and the probability of success. Press ENTER and then press ENTER to display the probability. Binomial Distribution Binomial Probability (pdf)
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