A cashier at large retail store selects a random sample of 75 customers from her checkout line. For each customer, she records the amount of the purchase and whether they use cash or credit to pay....


A cashier at large retail store selects a random sample of 75 customers from her checkout line. For each<br>customer, she records the amount of the purchase and whether they use cash or credit to pay. She would like to<br>know if there is convincing evidence that the amount spent is associated with type of payment. Let a = 0.05. The<br>observed and expected counts are displayed in the tables.<br>Observed counts:<br>Amount Spent<br>Less than $20<br>Between $20 and<br>$50<br>More than $50<br>Cash<br>18<br>8<br>Payment<br>Credit<br>14<br>20<br>6<br>Expected counts:<br>Amount Spent<br>Between $20 and<br>$50<br>Less than $2o<br>More than $50<br>

Extracted text: A cashier at large retail store selects a random sample of 75 customers from her checkout line. For each customer, she records the amount of the purchase and whether they use cash or credit to pay. She would like to know if there is convincing evidence that the amount spent is associated with type of payment. Let a = 0.05. The observed and expected counts are displayed in the tables. Observed counts: Amount Spent Less than $20 Between $20 and $50 More than $50 Cash 18 8 Payment Credit 14 20 6 Expected counts: Amount Spent Between $20 and $50 Less than $2o More than $50
Credit<br>14<br>20<br>Expected counts:<br>Amount Spent<br>Less than $20<br>Between $20 and<br>$50<br>More than $50<br>Cash<br>14.9<br>13.5<br>6.5<br>Payment<br>Credit<br>17.1<br>15.5<br>7.5<br>Which of the following are the values of the chi-square statistic and P-value?<br>Find the chi-square table here.<br>x² = 1.18, P-value > 0.05<br>O x = 2.48, P-value > 0.05<br>O x = 4.65, P-value < 0.10<br>O x = 12.50, P-value < 0.10<br>

Extracted text: Credit 14 20 Expected counts: Amount Spent Less than $20 Between $20 and $50 More than $50 Cash 14.9 13.5 6.5 Payment Credit 17.1 15.5 7.5 Which of the following are the values of the chi-square statistic and P-value? Find the chi-square table here. x² = 1.18, P-value > 0.05 O x = 2.48, P-value > 0.05 O x = 4.65, P-value < 0.10="" o="" x="12.50," p-value=""><>

Jun 11, 2022
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