1) A market researcher wants to know if the distributions of applications by type of credit card (silver, gold, and platinum) is the same for three different banks (Chose, Bank of US, TR Bank) Silver Gold Platimum Chose 120 50 30 Bank of US 115 50 35 TR Bank 105 55 40 a) State an appropriate Null and Alternate Hypotheses. b) Check Conditions. c) Show the calculation for the expected count for Chose/Silver.

Report summary statistics for the two variables ‘Run_Pulse’ and ‘Rest_Pulse’ in the table below:    Sample Size Minimum Maximum Mean Median Standard Deviation Standard Error Run_Pulse               Rest_Pulse

AutoSave OFF Home Insert Draw Design Layout Paste Page 4 of 4 B I vab References A^ A Aa v A 1115 words English (United States) As A v Av 18 W Using Excel for Hypothesis Testing with Two Means - Read-Only - Saved to my Mac Mailings = Review V V View Treated with multivitamin 트 쉰 E V Treated with placebo Tell me V 4. (z Test (in Excel) for Two Samples with Known Variance) A random selection of volunteers at a research institute have been exposed to a typical cold virus. After they started to have cold symptoms, 10 of them were given multivitamin tablets daily which contain grams of vitamin C and various other vitamins and minerals. The remaining 10 volunteers were given placebo tablets. For each individual, the length of time taken to recover from cold is recorded. At the end of the experiment following data are obtained: i. ii. Accessibility: Investigate AaBbCcDdEe Normal AaBb CcDdEe No Spacing Days to recover from cold 4.4, 6.5, 4.7, 4.5, 3.6, 5.0, 5.6, 6.6, 2.7, 5.5 It is known that…

the central limit theorem informs the numerator of the z- score for the sample means equation.  true or false?