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Male White Female Black/African American Male White Female Black/African American Female Black/African American Female White
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rosstabulation of the data in Columns B & C. ulation of individuals in a retail clerk cted for EEO (Equal Employment ce statistically significant? Use one web to make this determination. e population of data in Column A, ch to calculate your assocation bservations, then select the 30 Calculate the association statistics
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n example of it.
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1 What are the characteristics of the normal distribution? 2 What is the unit normal or standard normal distribution? 3 Describe the function NORM.DIST. Provide an example in H28. Additional examples. 4 Describe the function NORM.S.DIST. Provide an example in H41. 0.841345 5 Describe the function NORM.INV. Provide an example in H47. 52.53347
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6 Describe the function NORM.S.INV. Provide an example in H61. 0.253347 7 What is a confidence interval and how does it relate to the normal distribution? 8 Calculate a 95% confidence interval for a sample size=30 when the population mean (50) and the Upper limit Lower limit 9 Upper limit Lower limit 10 What is a controlling factor in the range of the confidence interval? Impact of s N=30 11 Define the Central Limit Theorem See the fol Calculate a 99% confidence interval for a sample size=30 with mean of 50 and a standard deviatio
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12 Explain the rationale for testing the difference between means. 13 Compute a z-test. Prices $ 45.23 Sample Mean $ 35.48 $ 36.57 $ 43.22 $ 42.94 $ 37.11 p-value $ 44.05 z of p-value $ 44.96 $ 42.99 $ 40.23 $ 50.93 $ 36.26 $ 51.91 $ 37.03 $ 40.12 $ 41.59 $ 40.18 $ 61.40 $ 40.51 $ 40.17 $ 49.93 Null hypothesis (H 0 :) Alternative hypothesis (H a : )
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$ 61.61 $ 36.93 $ 45.39 $ 41.56 $ 40.93 $ 50.49 $ 43.03 $ 40.13 $ 52.97 $ 42.10 $ 30.31 $ 54.16 $ 46.67 $ 43.32 $ 31.88 $ 64.60 $ 45.71 $ 58.27 $ 31.94 14 Compute a t-test comparing the two samples. State 1 State 2 283 229 254 267 328 326 292 309 315 231 336 283 378 344 314 310 312 258 328 316 272 241 307 281 348 218 233 284 354 311 400 254 341 217 313 267 309 299 308 266 340 264 300 264 316 290 268 312 259 298
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276 305 271 244 362 303 340 299 339 285 300 308 333 260 204 291 242 329 315 246 322 293 15 What is the decision rule?
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