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[DOC File]Notes on how to use the TI-83 - Part 1. Statistics I - S97 ...
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Hypothesis test for the population proportion, p. (Provided the appropriate conditions hold.) See pages 146-147 of the BMM. 1) Press 2nd – F1(F6/Tests) and press 5 to get the one-sample HT for proportions (‘1-PropZTest’). You will get the ‘1-Proportion Z Test’ dialog box.
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[DOCX File]McClure
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1 sample mean t-test. 1 proportion z-test. 2 proportion z-test. matched pair t-test. A school with a population size of 1,000 students wants to estimate the proportion of students who are interested in joining a club. In a random sample of 200 students, 150 are hoping to join a club. Why is a 1-Proportion z-interval NOT appropriate for this ...
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[DOC File]Chi-Square test for Qualitative Data
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Intermediate Calculations Group 1 Proportion 0.0094 Group 2 Proportion 0.0171 Difference in Two Proportions -0.0077 Average Proportion 0.0133 Z Test Statistic -5.0014 Two-Tail Test Lower Critical Value -1.9600 Upper Critical Value 1.9600 p-Value 0.0000 Reject the null hypothesis Results from TI-84: 2 – PropZTest. p1 < p2
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[DOC File]AP Statistics – Chapter 9 Notes - Dan Shuster
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Test-Statistic: where is the sample proportion. P-value: The P-value is based on a normal z-distribution. This value can be estimated using Table A or found accurately using the 1-Prop Z-test function on your calculator
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[DOC File]Z-Score Practice Worksheet
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z = 1.17 .38. z = -1.37 .41. For the z-scores below, find the percentile rank (percent of individuals scoring below):-0.47 31.9 Percentile. 2.24 98.8 Percentile. For the numbers below, find the percent of cases falling above the z-score: 0.24 41%-2.07 98%. A patient recently diagnosed with Alzheimer’s disease takes a cognitive abilities test ...
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[DOC File]Stats Tri 1 Review - Mr. Nelson
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SO much like Chapter 11. All the same concepts except we are including mean tests (Z and T), proportion tests (Z), and matched pairs test (L1-L2 = calculate using L3); Uses Chapter 9 also. Mean Problems: Z-Test (use on calculator to get Z and P) Given ơ. Z-Score = (Xbar-μ)/(ơ/√n) Pvalue = normalcdf. T-Test (use on calculator to get T and P)
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[DOC File]Section 1
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Use a two-proportion z test to test the hypothesis that proportions in two distinct populations are equal. Check that you can safely use these z procedures in a particular setting. Section 13.1: Comparing Two Means. Knowledge Objectives: Students will: Describe the three conditions necessary for doing inference involving two population means.
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[DOC File]Hypothesis Testing and Confidence Intervals
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1 Proportion z-test. 1 Proportion z-int SRS? Normal? np > 10, n(1-p) > 10. Independent? 10n < pop. Stat/Test. 1propzTest or. 1propZInt More than 1 prop. 2 Categorical Variables. Tests: Goodness of Fit. Homogeneity. Independence SRS? All expected counts 5? N/A For GOF: Put observed counts in L1 and expected counts in L2. Sum L3 to get . For ...
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[DOC File]Stats 156 – Calculator Stuff
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Two Sample z Test for Difference in 2 Population Proportions. In STAT – inside TESTS. 1. 2PropZTest. x1 = number of successes in sample 1. n1= sample 1 size. x2= number of successes in sample 2. n2= sample 2 size. χ2 Goodness of Fit Test. 1. Put observed counts in L1 and hypothesized π’s in L2. Go to PRGM. Choose CHI2. χ2 Test of ...
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[DOC File]AP Statistics Assignment #43
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Voucher Boxes Frequency 0 1 1 6 2 20 3 68 4 106 5 162 6 173 7 160 8 114 9 77 10 64 11 26 12 13 13 8 14 1 15 0 16 1 Based on the results of the 1000 random samples, calculate estimates of the power of the 65 box test against an alternative of p = 0.10 for the different significance levels.
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1 proportion z test calculator