question 1

Type your answers in all of the blanks and submit Two types of watch batteries are tested. One group of 16 batteries averaged 6.5 hours, while the other group consisting of 10 batteries, averaged 5.1 hours. The hypotheses are: The batteries are the same, versus the batteries are not the same. The sample variances are Sl'2= 2.4 and $2n2=2.7. (i) What are the appropriate critical values, assuming a=0.05. the lower value is and the upper value is Type your answer here . (ii) The calculated value is . (iii) At the 5% level of significance we (can lcannot) reject the null hypothesis