Exploring the 1-Proportion Z-Test with TI Calculators

What statistical test is demonstrated in the video using TI-83 and TI-84 calculators?

• Chi-square test

• T-test

• Two-proportion Z-test

• One-proportion Z-test

What is the null hypothesis in the example discussed?

• Support is exactly 50%

• Support is less than 50%

• No specific hypothesis

• Support is more than 50%

Which proportion is used to check the NP condition in the Z-test?

• Sample proportion

• Difference in proportions

• Hypothesized proportion

• None of the above

What must the sample size times the hypothesized proportion be greater than or equal to?

• 15

• 5

• 10

• 20

Which menu option is selected on the calculator for the one-proportion Z-test?

• 2-PropZTEST

• T-TEST

• Z-TEST

• 1-PropZTEST

What does 'p-sub-zero' represent in the calculator setup?

• Difference in proportions

• Sample proportion

• None of the above

• Hypothesized proportion

How is the number of 'yes' responses calculated for the input X?

• 0.52 times 500

• 0.5 times 500

• 50 times 10

• 52 times 10

What should be done if the calculation of 'yes' responses is not an integer?

• Round to the nearest integer

• Use as a decimal

• Increase sample size

• None of the above

What was the Z-statistic value obtained from the calculator?

• 1.05

• 1.2

• 0.89

• 0.75

What conclusion can be drawn from the p-value obtained?

• No evidence to support the manager's claim

• Strong evidence to support the manager's claim

• Data is insufficient

• Inconclusive evidence