brochure inviting subscriptions for a new diet program states that the participants lose over 27 pounds in five weeks with a standard deviation of 3.4.

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ANSWER ALL QUESTIONS

Assignment I (30 Marks)

A brochure inviting subscriptions for a new diet program states that the participants lose over 27 pounds in five weeks with a standard deviation of 3.4. Data was collected from 65 participants who attended this diet program, the sample mean for weight loss was 25.5 pounds. Could the statement in the brochure be substantiated on the basis of these findings? Test at the α = .01 level. Give detailed explanation with the solution.  

Assignment II (30 Marks)

From the following data find out whether there is any significant relationship between gender and preference of colour. Use Chi-square test and give detailed explanation with a solution 

Preference for Colour\Gender	Male	Female
Pink	56	42
Black	67	39
Yellow	34	25

  Assignment III (30 Marks)

The following data has mid term marks and end term marks of 9 students. Maximum marks for both mid term marks as well as end term marks is 100. Calculate regression line between mid term marks and end term marks using below dataset. Give detailed explanation with the solution. 

Student Roll No.	1	2	3	4	5	6	7	8	9
Mid Term Marks	67	59	73	63	89	78	64	28	89
End Term Marks	55	42	80	83	76	67	63	33	58

 

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