Sample means:
X1= 1149.36
X2=1028.92
Standard deviations:
S1=221.84
S2=182.54
Sample sizes:
n1= 25
n2=25
Spring_Valley AU_Park 1375 910 1399 935 1450 1160 1270 800 970 910 1350 1020 925 1020 875 860 1000 850 1120 873 1130 1300 1200 1100 830 795 1300 1220 1220 985 925 1060 885 1040 1560 925 1380 1450 1250 1350 900 1280 900 1160 1150 975 1440 950 930 795
Column |
n |
Mean |
Std.dev. |
Median |
Spring Valley |
25 |
1149.36 |
221.84 |
1150 |
AU Park |
25 |
1028.92 |
182.54 |
985 |
(a) Use StatCrunch/excel/minitab to test whether there exists a difference in house prices in Spring Valley versus AU Park at α = 0.05.
(i) State the hypotheses that you want to test.
(ii) Record the value of the test statistic and its p-value.
(iii) What do you conclude for the test at α = 0.05?
Sample Mean 1 (Xˉ1) = | 1149.36 |
Sample Standard Deviation 1 (s1) = | 221.84 |
Sample Size 1 (N1) = | 25 |
Sample Mean 2 (Xˉ2) = | 1028.92 |
Sample Standard Deviation 2 (s2) = | 182.54 |
Sample Size 2 (N2) = | 25 |
Sample means: X1= 1149.36 X2=1028.92 Standard deviations: S1=221.84 S2=182.54 Sample sizes: n1= 25 n2=25 Spring_Valley AU_Park...