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Blackboard A Remaining Time: 1 hour, 12 minutes, 18 seconds. Question Completion Status: 1 | 2 3 4 5 6 7 7 8 9 10 11 12 13 14 15 16 17 18 19 Moving to another question will save this response. *Question 18 of 19 Question 18 6 points Save Answer The mean cost of an electronic chip is 241 dirhams. A manufacturing company had a reason to believe that the mean cost is less than 241 dirhams. The prices for 6 randomly selected items are shown below. (Assume the data is from a normal distribution). 255, 260, 200, 245, 230, 240 We want to test the manufacturing company's belief at a = 0.1 by finding: HON Hius (calculate X up to 2 decimal places) - (calculate sy up to one decimal place) Sx = Find the value of the test Statistic and state the conclusion (t value correct to 3 decimal place. e.g 2.123 and answer it as accepted or rejected for conclusion) t= Conclusion Hals Moving to another question will save this response Question 18 of 19
Blackboard Remaining Time: 1 hour, 12 minutes, 10 seconds. Question Completion Status: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 A Click Submit to complete this assessment. Question 19 of 19 Question 19 5 points Save Answer The table shows some data collected on the temperaturet C.of a colony of insect larvae and the growth rate, g. of the population. Temperature t'c Growth rate 12 4.37 18 9.44 20 12.29 26 21.91 27 24.21 Find the predicted growth rate when t = 17°C. 6.90 12.29 17.68 9.59
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