Using the data provided below, develop 95% confidence intervals for the following: A. the proportion of individuals who are satisfied with their vehicle B. the proportion of individuals who have at least one child Use the appropriate formula and verify your result Note: Interpret the results of interval in context. Use the Confidence Interval Templates to solve this problem. Consumer Transportation Survey Vehicle Driven Type Satisfaction with vehicle Gender Age # of hours per week in vehicle Miles driven per week Number of Children Average number of riders Miles from work Truck Domestic Yes Male 31 10 450 0 1 30 Truck Domestic Yes Male 29 5 370 1 1 22 Truck Foreign No Male 26 12 580 0 1 15 Truck Domestic No Male 18 6 300 0 1 20 SUV Domestic Yes Male 49 21 1000 0 1 22 SUV Foreign Yes Male 50 16 840 2 1 45 SUV Domestic Yes Male 48 15 1400 3 4 25 SUV Foreign Yes Male 45 5 300 2 2 20 SUV Domestic Yes Male 45 15 850 0 1 25 SUV Domestic Yes Male 44 10 700 2 1 40 SUV Foreign Yes Male 41 5 350 1 1 20 SUV Domestic Yes Male 41 30 1500 4 3 15 SUV Foreign No Female 39 6 280 1 1 17 SUV Foreign Yes Female 36 4 400 0 1 20 SUV Foreign Yes Female 33 3 420 0 1 25 SUV Domestic Yes Male 31 10 675 0 1 35 SUV Domestic No Female 31 15 800 1 1 50 SUV Domestic No Female 29 4 300 1 1 20 SUV Domestic Yes Male 28 3 400 1 1 15 Mini Van Domestic Yes Female 55 8 400 0 2 0 Mini Van Domestic No Female 43 10 700 2 3 0 Mini Van Domestic Yes Female 41 10 720 1 2 15 Mini Van Foreign Yes Female 38 10 450 4 5 0 Mini Van Foreign Yes Female 39 15 1000 1 2 0 Mini Van Domestic No Male 35 5 350 2 2 0 Mini Van Domestic Yes Female 33 10 800 2 3 0 Mini Van Foreign Yes Female 32 2 200 4 5 5 Mini Van Foreign Yes Female 28 8 350 3 4 0 Car Domestic Yes Female 21 4 150 0 1 0 Car Domestic No Female 62 5 175 0 2 0 Car Domestic Yes Female 61 5 355 0 1 15 Car Foreign Yes Male 60 5 150 0 1 10 Car Domestic No Male 58 10 600 0 1 35 Car Domestic Yes Female 51 11 600 0 1 40 Car Domestic Yes Female 47 4 300 0 1 21 Car Domestic No Male 46 4 275 0 1 18 Car Domestic No Male 44 6 285 2 3 16 Car Foreign No Female 42 5 400 2 3 22 Car Foreign Yes Female 41 5 350 2 2 23 Car Domestic No Female 41 10 600 1 2 34 Car Domestic Yes Female 39 10 700 1 2 45 Car Foreign Yes Female 34 10 600 1 2 16 Car Foreign Yes Male 33 5 400 1 2 22 Car Foreign Yes Male 30 5 350 1 2 18 Car Domestic Yes Female 29 5 250 0 1 19 Car Foreign Yes Female 27 6 355 0 2 23 Car Foreign Yes Female 26 5 175 0 1 11 Car Domestic No Female 24 5 300 0 1 4 Car Domestic Yes Female 22 5 350 0 1 3 Car Foreign No Female 19 5 500 0 2 4

Using the data provided below, develop 95% confidence intervals for the following: A. the proportion of individuals who are satisfied with their vehicle B. the proportion of individuals who have at least one child Use the appropriate formula and verify your result Note: Interpret the results of interval in context. Use the Confidence Interval Templates to solve this problem. Consumer Transportation Survey Vehicle Driven Type Satisfaction with vehicle Gender Age # of hours per week in vehicle Miles driven per week Number of Children Average number of riders Miles from work Truck Domestic Yes Male 31 10 450 0 1 30 Truck Domestic Yes Male 29 5 370 1 1 22 Truck Foreign No Male 26 12 580 0 1 15 Truck Domestic No Male 18 6 300 0 1 20 SUV Domestic Yes Male 49 21 1000 0 1 22 SUV Foreign Yes Male 50 16 840 2 1 45 SUV Domestic Yes Male 48 15 1400 3 4 25 SUV Foreign Yes Male 45 5 300 2 2 20 SUV Domestic Yes Male 45 15 850 0 1 25 SUV Domestic Yes Male 44 10 700 2 1 40 SUV Foreign Yes Male 41 5 350 1 1 20 SUV Domestic Yes Male 41 30 1500 4 3 15 SUV Foreign No Female 39 6 280 1 1 17 SUV Foreign Yes Female 36 4 400 0 1 20 SUV Foreign Yes Female 33 3 420 0 1 25 SUV Domestic Yes Male 31 10 675 0 1 35 SUV Domestic No Female 31 15 800 1 1 50 SUV Domestic No Female 29 4 300 1 1 20 SUV Domestic Yes Male 28 3 400 1 1 15 Mini Van Domestic Yes Female 55 8 400 0 2 0 Mini Van Domestic No Female 43 10 700 2 3 0 Mini Van Domestic Yes Female 41 10 720 1 2 15 Mini Van Foreign Yes Female 38 10 450 4 5 0 Mini Van Foreign Yes Female 39 15 1000 1 2 0 Mini Van Domestic No Male 35 5 350 2 2 0 Mini Van Domestic Yes Female 33 10 800 2 3 0 Mini Van Foreign Yes Female 32 2 200 4 5 5 Mini Van Foreign Yes Female 28 8 350 3 4 0 Car Domestic Yes Female 21 4 150 0 1 0 Car Domestic No Female 62 5 175 0 2 0 Car Domestic Yes Female 61 5 355 0 1 15 Car Foreign Yes Male 60 5 150 0 1 10 Car Domestic No Male 58 10 600 0 1 35 Car Domestic Yes Female 51 11 600 0 1 40 Car Domestic Yes Female 47 4 300 0 1 21 Car Domestic No Male 46 4 275 0 1 18 Car Domestic No Male 44 6 285 2 3 16 Car Foreign No Female 42 5 400 2 3 22 Car Foreign Yes Female 41 5 350 2 2 23 Car Domestic No Female 41 10 600 1 2 34 Car Domestic Yes Female 39 10 700 1 2 45 Car Foreign Yes Female 34 10 600 1 2 16 Car Foreign Yes Male 33 5 400 1 2 22 Car Foreign Yes Male 30 5 350 1 2 18 Car Domestic Yes Female 29 5 250 0 1 19 Car Foreign Yes Female 27 6 355 0 2 23 Car Foreign Yes Female 26 5 175 0 1 11 Car Domestic No Female 24 5 300 0 1 4 Car Domestic Yes Female 22 5 350 0 1 3 Car Foreign No Female 19 5 500 0 2 4

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Question

Using the data provided below, develop 95% confidence intervals for the following:

A. the proportion of individuals who are satisfied with their vehicle

B. the proportion of individuals who have at least one child

Use the appropriate formula and verify your result

Note: Interpret the results of interval in context. Use the Confidence Interval Templates to solve this problem.

Consumer Transportation Survey

Vehicle Driven	Type	Satisfaction with vehicle	Gender	Age	# of hours per week in vehicle	Miles driven per week	Number of Children	Average number of riders	Miles from work
Truck	Domestic	Yes	Male	31	10	450	0	1	30
Truck	Domestic	Yes	Male	29	5	370	1	1	22
Truck	Foreign	No	Male	26	12	580	0	1	15
Truck	Domestic	No	Male	18	6	300	0	1	20
SUV	Domestic	Yes	Male	49	21	1000	0	1	22
SUV	Foreign	Yes	Male	50	16	840	2	1	45
SUV	Domestic	Yes	Male	48	15	1400	3	4	25
SUV	Foreign	Yes	Male	45	5	300	2	2	20
SUV	Domestic	Yes	Male	45	15	850	0	1	25
SUV	Domestic	Yes	Male	44	10	700	2	1	40
SUV	Foreign	Yes	Male	41	5	350	1	1	20
SUV	Domestic	Yes	Male	41	30	1500	4	3	15
SUV	Foreign	No	Female	39	6	280	1	1	17
SUV	Foreign	Yes	Female	36	4	400	0	1	20
SUV	Foreign	Yes	Female	33	3	420	0	1	25
SUV	Domestic	Yes	Male	31	10	675	0	1	35
SUV	Domestic	No	Female	31	15	800	1	1	50
SUV	Domestic	No	Female	29	4	300	1	1	20
SUV	Domestic	Yes	Male	28	3	400	1	1	15
Mini Van	Domestic	Yes	Female	55	8	400	0	2	0
Mini Van	Domestic	No	Female	43	10	700	2	3	0
Mini Van	Domestic	Yes	Female	41	10	720	1	2	15
Mini Van	Foreign	Yes	Female	38	10	450	4	5	0
Mini Van	Foreign	Yes	Female	39	15	1000	1	2	0
Mini Van	Domestic	No	Male	35	5	350	2	2	0
Mini Van	Domestic	Yes	Female	33	10	800	2	3	0
Mini Van	Foreign	Yes	Female	32	2	200	4	5	5
Mini Van	Foreign	Yes	Female	28	8	350	3	4	0
Car	Domestic	Yes	Female	21	4	150	0	1	0
Car	Domestic	No	Female	62	5	175	0	2	0
Car	Domestic	Yes	Female	61	5	355	0	1	15
Car	Foreign	Yes	Male	60	5	150	0	1	10
Car	Domestic	No	Male	58	10	600	0	1	35
Car	Domestic	Yes	Female	51	11	600	0	1	40
Car	Domestic	Yes	Female	47	4	300	0	1	21
Car	Domestic	No	Male	46	4	275	0	1	18
Car	Domestic	No	Male	44	6	285	2	3	16
Car	Foreign	No	Female	42	5	400	2	3	22
Car	Foreign	Yes	Female	41	5	350	2	2	23
Car	Domestic	No	Female	41	10	600	1	2	34
Car	Domestic	Yes	Female	39	10	700	1	2	45
Car	Foreign	Yes	Female	34	10	600	1	2	16
Car	Foreign	Yes	Male	33	5	400	1	2	22
Car	Foreign	Yes	Male	30	5	350	1	2	18
Car	Domestic	Yes	Female	29	5	250	0	1	19
Car	Foreign	Yes	Female	27	6	355	0	2	23
Car	Foreign	Yes	Female	26	5	175	0	1	11
Car	Domestic	No	Female	24	5	300	0	1	4
Car	Domestic	Yes	Female	22	5	350	0	1	3
Car	Foreign	No	Female	19	5	500	0	2	4

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