MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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What is the value of the sample test statistic? (Round your answer to three decimal places.)
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- What is the CORRECT solution? See the attached.arrow_forwardYou are testing the claim that the proportion of men who own cats is larger than the proportion of women who own cats.You sample 60 men, and 50% own cats.You sample 140 women, and 20% own cats.Find the test statistic, rounded to two decimal places.arrow_forwardA publisher reports that 61 % of their readers own a particular make of car. A marketing executive wants to test the claim that the percentage is actually different from the reported percentage. A random sample of 320 found that 55 % of the readers owned a particular make of car. Determine the P-value of the test statistic. Round your answer to four decimal places. Answer How to enter your answer (opens in new window) Tables Keypad Keyboard Shortcutsarrow_forward
- Claim: The proportion of children who play sports is less than 55%. Sample statistics include n = 1,320 subjects with 33% saying that they play a sport. Find the value of the test statistic. Round your answer to two decimal places, if needed.arrow_forwardCarmen and Rosanna are two employees in an electronics store. The store manager has put an emphasis on increasing the number of applications for the store credit card. The manager randomly selected 24 weeks for each employee and recorded the number of completed applications for each week, which is provided in the samples below. Each employee completed 21 applications in one of the weeks selected. Use Excel to calculate each employee's z-score for completing 21 applications. Round your answers to two decimal places. Carmen Rosanna11 56 1115 613 185 1114 1416 521 208 1110 97 1416 1513 1310 619 2118 95 1817 310 126 1712 1214 419 1017 8arrow_forwardYou are testing the claim that the proportion of men who own cats is larger than the proportion of women who own cats. You sample 160 men, and 15% own cats. You sample 120 women, and 90% own cats. Find the test statistic, rounded to two decimal places.arrow_forward
- Claim: Fewer than 95% of adults have a cell phone. In a reputable poll of 1152 adults, 85% said that they have a cell phone. Find the value of the test statistic. (Round to two decimal places as needed)arrow_forwardHi, please help me solve, thank you!arrow_forwardNet Worth. The Board of Governors of the Federal Reserve System publishes information on family net worth in the Survey of Consumer Finances. In 2010, the mean net worth of families in the United States was $498.8 thousand and the median net worth was $77.3 thousand. Which measure of center do you think is more appropriate? Explain your answer.arrow_forward
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