College Algebra LinC
College Algebra LinC MAC 1105
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This 1 page Class Notes was uploaded by Deshawn Dickens on Thursday October 29, 2015. The Class Notes belongs to MAC 1105 at Valencia College taught by Abdul Zainulabdeen in Fall. Since its upload, it has received 13 views. For similar materials see /class/231219/mac-1105-valencia-college in Calculus and Pre Calculus at Valencia College.
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Date Created: 10/29/15
STATISTICS NOTES for Test 4 Maior topics Chapter 23 Inferences about Means l Student s tdistribution and its properties 2 Onesample tinterval yiSEy where SE n r is obtained from the table using degrees of freedom n 1 3 Conditions and assumptions 0 Independence individuals in the sample are independent unrelated of each other Randomness individuals for the sample are selected randomly 10 condition sample size is less than 10 of the population Nearly Normal Condition the data come from a distribution that is nearly normal 4 Interpretations of con dence intervals con dence level and margin of error 5 Relationship between sample size and the margin of error 6 Onesample ttest Null hypothesis H0 Ia 0 To nd the Pvalue use Cd max ofz7 mjnofz7 df y 1 0 7 5 Where 1 5 SE 7 SE y J 7 Make conclusions based on tests Chapter 24 Comparing Means Independent samples and only unpooled data 1 Twosample tinterval Con dence interval for Difference in Means Con dence interval for 111 uz 71 72 it SE71 f2 2 2 Where SEQ 11 72 s 1 s 2 711 2 r is obtained from the table using degrees of freedom minn1 l rt2 l 2 Conditions and assumptions 3 Interpret intervals and make conclusions Chapter 25 Paired Samples and Blocks 1 Paired tinterval Con dence interval for the mean of the paired differences Con dence interval for d gym53 where Sf 71 r is obtained from the table using degrees of freedom n 1 2 Conditions and assumptions 3 Interpret intervals and make conclusions