You may need to use the appropriate technology to answer this question. According to an avid aquarist, the average number of fish in a 20-gallon tank is 10, with a standard deviation of two. His friend, also an aquarist, does not believe that the standard deviation is two. She 10; 12; 9; 8; 11; 11; 10; 11. counts the number of fish in 15 other 20-gallon tanks. Based on the results that follow, do you think that the standard deviation is different from two at the 5% level? Data: 11; 10; 8; 10; 10; 11; 11; State the null and alternative hypotheses. (Enter != for # as needed.) Ho: Ha What is the test statistic? (Round your answer to three decimal places.) What is/are the critical value(s)? (Round your answer(s) to three decimal places. Enter NONE for any unused answer blanks.) lower tail upper tail What is the decision of the test and what conclusions can be drawn? At the 5% level of significance we would fail to reject Ho and conclude that there is not sufficient evidence to conclude that the standard deviation is not equal to 2. At the 5% level of significance we would reject Ho and conclude that there is sufficient evidence to conclude that the standard deviation is not equal to 2. At the 5% level of significance we would reject Ho and conclude that there is not sufficient evidence to conclude that the standard deviation is not equal to 2. At the 5% level of significance we would fail to reject Ho and conclude that there is sufficient evidence to conclude that the standard deviation is not equal to 2. Bio 109 Online Anatom.inal Cord Timages.jpg DEC CEL 4 stv 9 W MacBook Air