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2) The table below compares two samples taken to compare the mean age of individuals who purchased the iPhone 3G at two AT&T store locations. Very briefly, what conclusions can you draw? t-test, pooled variance t-test, unequal variance Ann Arbor Ann Arbor Livonia 25.8171| 31.2480 mean 3.3891 1.8740 std. dev. 10n Livonia 25.8171 31.2480 mean 1.8740 std. dev. 10n 3.3891 8 df -5.43086 difference (Ann Arbc 15 df -5.43086 difference (Ann Arbor - Livonia) 6.70157 pooled variance 2.58874 pooled std. dev. 1.27574 standard error of difference 1.41141 standard error of diff O hypothesized differe O hypothesized difference -3.85 t

2) The table below compares two samples taken to compare the mean age of individuals who purchased the iPhone 3G at two AT&T store locations. Very briefly, what conclusions can you draw? t-test, pooled variance t-test, unequal variance Ann Arbor Ann Arbor Livonia 25.8171| 31.2480 mean 3.3891 1.8740 std. dev. 10n Livonia 25.8171 31.2480 mean 1.8740 std. dev. 10n 3.3891 8 df -5.43086 difference (Ann Arbc 15 df -5.43086 difference (Ann Arbor - Livonia) 6.70157 pooled variance 2.58874 pooled std. dev. 1.27574 standard error of difference 1.41141 standard error of diff O hypothesized differe O hypothesized difference -3.85 t

College Algebra (MindTap Course List)
College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter8: Sequences, Series, And Probability
Section8.7: Probability
Problem 58E: What is meant by the sample space of an experiment?
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2) The table below compares two samples taken to compare the mean age of individuals who purchased the iPhone 3G at two AT&T store locations. Very briefly, what conclusions can you draw? 1 t-test, pooled variance t-test, unequal variance Ann Arbor Livonia Ann Arbor Livonia 25.8171 31.2480 mean 1.8740 std. dev. 10 n 31.2480 mean 1.8740 std. dev. 10 n 25.8171 3.3891 3.3891 8 df -5.43086 difference (Ann Arbc 15 df -5.43086 difference (Ann Arbor - Livonia) 6.70157 pooled variance 2.58874 pooled std. dev. 1.27574 standard error of difference 1.41141 standard error of diff O hypothesized differe O hypothesized difference -3.85 t .0024 p-value (one-tailed, -4.26 t .0003 p-value (one-tailed, lower)
Transcribed Image Text:2) The table below compares two samples taken to compare the mean age of individuals who purchased the iPhone 3G at two AT&T store locations. Very briefly, what conclusions can you draw? 1 t-test, pooled variance t-test, unequal variance Ann Arbor Livonia Ann Arbor Livonia 25.8171 31.2480 mean 1.8740 std. dev. 10 n 31.2480 mean 1.8740 std. dev. 10 n 25.8171 3.3891 3.3891 8 df -5.43086 difference (Ann Arbc 15 df -5.43086 difference (Ann Arbor - Livonia) 6.70157 pooled variance 2.58874 pooled std. dev. 1.27574 standard error of difference 1.41141 standard error of diff O hypothesized differe O hypothesized difference -3.85 t .0024 p-value (one-tailed, -4.26 t .0003 p-value (one-tailed, lower)
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