A political analyst believes that a senator's recent decision to support a bill resulted in a drop of approval ratings. To test this claim, he selects random cities in the state that voted the senator...


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A political analyst believes that a senator's recent decision to support a bill resulted in a drop of approval ratings. To test this<br>claim, he selects random cities in the state that voted the senator in and compares the approval ratings before the decisiorn<br>to the approval ratings after the decision. Suppose that data were collected for a random sample of 8 cities, where each<br>difference is calculated by subtracting the percent approval rating before the decision from the percent approval rating after<br>the decision. Assume that the percentages are normally distributed. Identify the critical value(s) of the t-test statistic, where<br>α-0.05. Use a comma and a space to separate answers as needed<br>0.01<br>Probability<br>Degrees of Freedom<br>5<br>6<br>0.10<br>0.05<br>0.025<br>0.005<br>1.476<br>1.440<br>1.415<br>1.397<br>1.383<br>1.372<br>1.363<br>1.356<br>1.350<br>1.345<br>1.341<br>2.015<br>1.943<br>1.895<br>1.860<br>1.833<br>1.812<br>1.796<br>1.782<br>2.571<br>2.447<br>2.365<br>2.306<br>2.262<br>2.228<br>2.201<br>2.179<br>2.160<br>2.145<br>2.131<br>3.365<br>3.143<br>2.998<br>2.896<br>2.821<br>2.764<br>2.718<br>2.681<br>2.650<br>2.624<br>2.602<br>4.032<br>3.707<br>3.499<br>3.355<br>3.250<br>3.169<br>3.106<br>3.055<br>3.012<br>2.977<br>2.947<br>1.761<br>1.753<br>

Extracted text: A political analyst believes that a senator's recent decision to support a bill resulted in a drop of approval ratings. To test this claim, he selects random cities in the state that voted the senator in and compares the approval ratings before the decisiorn to the approval ratings after the decision. Suppose that data were collected for a random sample of 8 cities, where each difference is calculated by subtracting the percent approval rating before the decision from the percent approval rating after the decision. Assume that the percentages are normally distributed. Identify the critical value(s) of the t-test statistic, where α-0.05. Use a comma and a space to separate answers as needed 0.01 Probability Degrees of Freedom 5 6 0.10 0.05 0.025 0.005 1.476 1.440 1.415 1.397 1.383 1.372 1.363 1.356 1.350 1.345 1.341 2.015 1.943 1.895 1.860 1.833 1.812 1.796 1.782 2.571 2.447 2.365 2.306 2.262 2.228 2.201 2.179 2.160 2.145 2.131 3.365 3.143 2.998 2.896 2.821 2.764 2.718 2.681 2.650 2.624 2.602 4.032 3.707 3.499 3.355 3.250 3.169 3.106 3.055 3.012 2.977 2.947 1.761 1.753

Jun 01, 2022
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