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Check My Work Video Consider the following results for two independent random samples taken from two populations Sample 1 Sample 2 1 40 X1 13. X2 - 11.6 01 = 2.3 a. What is the point estimate of the difference between the two population means? (to 1 decimal) n2=30 02-3.1 1.5 b, provide a 90% confidence interval for the difference between the two population means (to 2 decimals. Use z-table. 89 c, provide a 95% confidence interval for the difference between the two population means (to 2 decimals). Use z-table. If your answer is negative, enter minus (-) sign.

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taken m oo Scmple 2 n,=40 201 (a) The Pont os-tinote of the dffevence be hoeen =1.5 (b) on4;deoce mevel-r-te difference letoeHerce , 90. α.meļence tndeveJ the diffeence 46 30 , 5 ± 1.106 394 (c) At 95 % c.1, O.183 (2.gra. ,๐.ig3 Cz.cce , o. 394) anc qÇ% en ett t u les bemeen (2.S1구, o.183) tre vaus. due

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