Determine 95% confidence interval for each of the variables in question one. Int
ID: 3292487 • Letter: D
Question
Determine 95% confidence interval for each of the variables in question one. Interpret each of the intervals. I need 6 intervals for each of the variables with the information provided below. The variables are asking price, square feet, days on zillow, number of bedrooms and number of bathrooms. I also need help interpreting each of the intervals. All 3o homes must be included in each of the categories also.
30 HOMES FOR SALE Home # Asking Price Square Feet Days on Zillow $ per sq feet # of bedrooms # of bathrooms Home 1 $169, 900 1, 128 sq ft 30 days $150 3 2 Home 2 $110, 000 1, 065 sq ft 1 day $103 1 2 Home 3 $205, 000 2, 638 sq ft 3 days $77 3 3 Home 4 $208, 405 1, 903 sq ft 2 days $109 2 2 Home 5 $228, 045 1, 987 sq ft 3 days $114 2 2.5 Home 6 $129, 000 1, 987 sq ft 1 day $100 2 1 Home 7 $350, 000 3, 938 sq ft 1 day $89 4 3 Home 8 $214, 900 1, 632 sq ft 5 days $131 4 2 Home 9 $135, 900 1, 322 sq ft 4 days $102 2 2 Home 10 $143, 660 1, 314 sq ft 5 days $109 2 2 Home 11 $164, 900 1, 600 sq ft 6 days $103 3 2 Home 12 $144, 900 1, 520 sq ft 8 days $95 3 2 Home 13 $175, 410 1. 543 sq ft 6 days $113 2 2 Home 14 $185, 000 2, 100 sq ft 7 days $88 3 3 Home 15 $301, 742 2, 661 sq ft 10 days $113 2 2 Home 16 $395, 000 3, 205 sq ft 7 days $123 4 3 Home 17 $299, 552 2, 550 sq ft 7 days $117 2 2.5 Home 18 $79, 900 1, 483 sq ft 11 days $53 2 2 Home 19 $78, 900 1, 236 sq ft 25 days $63 2 1 Home 20 $130, 205 1, 065 sq ft 14 days $122 2 2 Home 21 $129, 000 764 sq ft 25 days $168 2 2 Home 22 $159, 900 1, 000 sq ft 26 days $159 3 2 Home 23 $189, 900 1, 915 sq ft 2 days $99 3 3 Home 24 $149, 000 1, 350 sq ft 12 days $110 3 2 Home 25 $149, 999 1, 851 sq ft 18 days $81 3 3 Home 26 $249, 000 2, 175 sq ft 19 days $114 3 2 Home 27 $379, 900 3, 600 sq ft 15 days $105 4 4 Home 28 $335, 000 2, 562 sq ft 13 days $130 4 4 Home 29 $349, 500 4, 000 sq ft 12 days $87 6 3 Home 30 $131, 990 1, 322 sq ft 21 days $99 2 2Explanation / Answer
Determine 95% confidence interval for each of the variables in question one. Interpret each of the intervals. I need 6 intervals for each of the variables with the information provided below. The variables are asking price, square feet, days on zillow, number of bedrooms and number of bathrooms. I also need help interpreting each of the intervals. All 3o homes must be included in each of the categories also.
MINITAB used
Descriptive Statistics
N
Mean
StDev
SE Mean
95% CI for
Asking Price
30
202450
89812
16397
(168914.098, 235986.435)
Square Feet
30
1947
864
158
(1624.483, 2269.917)
Days on Zillow
30
10.63
8.38
1.53
(7.504, 13.763)
per sq feet
30
107.53
24.94
4.55
(98.222, 116.845)
number of bedrooms
30
2.767
1.006
0.184
(2.391, 3.142)
Number of bathrooms
30
2.333
0.699
0.128
(2.072, 2.594)
: mean of Asking Price, Square Feet, Days on Zillow, per sq feet, no of bedrooms, no of
bathrooms
we are 95% confident that Asking Price of all homes falls in the interval (168914.098, 235986.435).
we are 95% confident that Square Feet of all homes falls in the interval (1624.483, 2269.917)
we are 95% confident that Days on Zillow of all homes falls in the interval (7.504, 13.763).
we are 95% confident that per sq feet of all homes falls in the interval (98.222, 116.845).
we are 95% confident that number of bedrooms of all homes falls in the interval (2.391, 3.142).
we are 95% confident that Number of bathrooms of all homes falls in the interval (2.072, 2.594).
N
Mean
StDev
SE Mean
95% CI for
Asking Price
30
202450
89812
16397
(168914.098, 235986.435)
Square Feet
30
1947
864
158
(1624.483, 2269.917)
Days on Zillow
30
10.63
8.38
1.53
(7.504, 13.763)
per sq feet
30
107.53
24.94
4.55
(98.222, 116.845)
number of bedrooms
30
2.767
1.006
0.184
(2.391, 3.142)
Number of bathrooms
30
2.333
0.699
0.128
(2.072, 2.594)
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