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Salma claimed that the gas price in Blue Park neighborhood (mean of $3.65) is higher than that in Green Spring (mean of $3.59). She obtained
Salma claimed that the gas price in Blue Park neighborhood (mean of $3.65) is higher than that in Green Spring (mean of $3.59). She obtained the t-value of 2.223 after calculating data from 6 gas stations in Blue Park and 5 gas stations in Green Spring. Use the chart below and determine if Salma's claim is supported! Table 10-3. Critical values of "t" d.f. significance level significance level P = 0.05 P = 0.01 12.706 63.657 N 4.303 9.925 3 3.182 5.841 A 2.776 4.604 5 2.571 4.032 6 2.447 3.707 2.365 3.499 8 2.306 3.355 9 2.262 3.250 10 2.228 3.169 11 2.201 3.106 Copy the following into your text box, fill in the blanks, and answer the questions; (0.5points for each blank, 1 point for explanation) A. The degree of freedom is: B. The t-calculated value is: and the t-critical value is : C. Comparison: t-calc _t-crit (answer with () ) D. Is the null hypothesis accepted or rejected? Explain how you determined that! Also, explain what it means to reject or accept the null hypothesis! E. Explain if Salma's claim is supported based on your t-value calculation
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