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Mailings Review View bte AaBbCcD No SpacingHe AaBbCcDdE 1Heading 2 Normal Question 2 A grocery store owner wants to know if a new marketing campaign will improve the average number of customers who visit the store on a given day. The owner knows that historically they average 490.2 customers per day. After the campaign the owner randomly samples 28 days and finds an average of 512.1 customers with a standard deviation of 83.2. Did the new campaign increase the average number of customers who visit the grocery store? 1. Identify the appropriate test, alpha, and check assumptions Two sample t test Alpha.05 Assumptions means are the same 2. Formulate hypotheses 3. Perform calculations (test statistic & P-value) 4. Compare P-value to alpha and state conclusion s. Write your conclusion in English
math   Statistics-And-Probability   
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gidort, fTXT) rfal given dato. 28 Test :-Tuo-Sample. Test-t- gample aize u,th ナhetnequal. . Asscumption The tb meony are the some. 2. Hypotheses Alternate. Hypothesis Hi。Hl< 2. Test-stat stic. It)-RI t490.2- 512.I t= 1-1.89 t est-Statistic Lt) .29 P-value: PLt> 1.39)= oo879 Cone-taild tegst P- value Pvalue snftonoe levet PCt 39): o:1758 (Too-tailed nie dont reject the nol ttpothe is Ctn5. He don have cnugh svidence tn nugh yicence to Cxv ludo tat the nes Comn hosense the average nunher o ustomesat 5 . Sianfance levetta cof

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