STATISTICS AND PROBABILITY SUMMATIVETESTM1-M8 (FOURTH QUARTER) DIRECTIONS: Choose the letter of the correct answer. 20 1. The average weight of the whole chickens sold at Tumauini Market is 1.26 kg. A random sample of 40 chickens shows that the mean weight is 1.34 kg. What is the alternative hypothesis of the problem? . =1.26 . 1.26 C. #1.26 D. <1.26 2. What is a type of error wherein the null hypothesis is rejected when in fact it is true A. Type l error B. Type II error C. Type III erro D. Type IV error 3. Given that H=100 and H 100, a researcher rejected the null hypothesis when 100. What type of error did the researcher commit? A. Type I error B. Type II error C. Type III error D. No error 4. Given that Ho =100 and H: 2100, a researcher accepted the null hypothesis when u 100. What type of error did the researcher commit? A. Type I error B. Type II error C. Type III error D. No error 5. A school administrator claims that the mean IQ of all the students in their school is 126. A supervisor wants to test