January |
February |
|
---|---|---|
902.79 |
640.77 |
|
7208.82 |
4571.22 |
|
4240.01 |
2271.57 |
|
79.89 |
299.69 |
|
4038.81 |
1376.69 |
|
89.24 |
−120.78 |
|
3290.41 |
1928.63 |
|
2418.77 |
2609.13 |
|
83.87 |
144.74 |
|
6.42 |
393.11 |
|
0.00 |
40.41 |
|
564.15 |
295.64 |
|
2714.19 |
850.07 |
|
187.25 |
162.07 |
|
3266.22 |
2411.62 |
|
1525.08 |
957.05 |
|
1358.98 |
38.013 |
|
733.71 |
2656.94 |
|
75.12 |
64.94 |
|
70.27 |
−70.21 |
|
633.98 |
1860.28 |
|
1040.93 |
478.78 |
|
554.05 |
995.75 |
|
1016.82 |
774.36 |
|
1304.09 |
3364.08 |
|
249.63 |
5.53 |
|
48.71 |
96.94 |
|
871.96 |
890.94 |
|
485.52 |
485.28 |
|
616.84 |
1486.08 |
|
1572.31 |
890.16 |
|
422.54 |
392.15 |
|
769.75 |
323.26 |
|
56.55 |
0.00 |
|
1486.28 |
2253.16 |
|
495.57 |
389.88 |
|
1064.46 |
1065.19 |
|
510.06 |
131.43 |
|
5646.18 |
4950.25 |
|
5.51 |
5.49 |
|
871.18 |
591.22 |
|
1636.08 |
3364.92 |
|
92.19 |
86.03 |
|
669.73 |
1365.59 |
|
828.78 |
280.79 |
|
69.28 |
67.97 |
|
830.59 |
1056.46 |
|
2299.82 |
3314.49 |
|
270.26 |
14.12 |
|
210.28 |
160.52 |
|
1011.69 |
518.88 |
|
1043.91 |
2021.14 |
|
298.63 |
635.58 |
|
−30.02 |
0.00 |
|
1635.37 |
393.02 |
|
1731.19 |
1322.69 |
|
0.00 |
65.08 |
|
31.41 |
28.74 |
|
4.95 |
77.24 |
|
1088.07 |
891.82 |
|
26.85 |
29.01 |
|
120.23 |
32.24 |
|
2006.84 |
816.26 |
|
291.36 |
780.06 |
|
103.98 |
0.00 |
|
53.02 |
66.23 |
|
2842.67 |
1532.77 |
|
675.79 |
293.71 |
|
221.51 |
171.75 |
|
37.77 |
4.78 |
|
533.74 |
881.16 |
|
1931.68 |
1063.71 |
|
692.66 |
914.03 |
|
6803.75 |
5939.59 |
|
392.94 |
466.18 |
|
1308.42 |
303.27 |
|
797.16 |
496.92 |
|
0.00 |
266.64 |
|
1040.68 |
59.41 |
|
564.86 |
206.63 |
|
339.26 |
411.67 |
|
5280.75 |
5318.55 |
|
40.09 |
72.65 |
|
43.37 |
38.42 |
|
653.13 |
480.28 |
|
1071.88 |
416.25 |
|
2333.95 |
1788.08 |
|
91.53 |
175.37 |
|
1434.26 |
1109.71 |
|
719.47 |
307.51 |
|
28.58 |
24.15 |
|
980.13 |
1216.73 |
|
1577.48 |
1810.77 |
|
0.00 |
468.16 |
|
161.85 |
147.59 |
|
493.52 |
1996.78 |
|
533.68 |
934.53 |
|
462.22 |
114.55 |
|
1477.72 |
2093.12 |
January February 902.79 640.77 7208.82 4571.22 4240.01 2271.57 79.89 299.69...
Fina cal ana st ?o that January credit card charges w geno a y be much k r than those o credit card charges of a random sample of 99 cardholders. Complete parts a) through e) below. he month before hat about the diff re co be woen January and the next month? ?? the trend continue? The accompanying data se contains the monthy Click the icon to view the monthly credit card charges. a) Build a regression medel to...
Spending on credit cards decreases after the Christmas spending season (as measured by amount charged on a credit card in December). The accompanying data set contains the monthly credit card charges of a random sample of 99 cardholders. Complete parts a) through e) below 囲Click the icon to view the monthly credit card charges A. All of the conditions are definitely satisfied B. The Randomization Condition is not satisfied. C. The Equal Spread Condition is not satisfied. D. The Nearly...
Monthly Credit Card charges
December January
1545.24 903.07
4302.19 7208.16
4227.61 4242.62
202.81 79.93
3297.71 4046.26
874.73 89.16
3810.51 3291.06
1935.26 2418.75
99.13 83.92
504.72 6.42
410.88 0.00
683.25 564.36
2159.04 2714.58
1123.46 187.11
2509.71 3268.75
1835.18 1523.58
9.95 1360.31
2334.13 732.98
78.55 75.13
101.29 70.22
598.12 633.81
648.44 1041.91
236.13 553.81
1265.72 1016.92
2124.07 1304.08
3.66 249.42
305.91 48.73
1902.23 871.78
559.02 485.04
2448.35 616.27
2799.41 1574.17
531.39 422.91
537.22 769.43
767.24 56.58
1960.36 1486.88
1678.03 495.83
2065.72 1065.31...
Financial analysts know that January credit card charges will generally be much lower than those of the month before. What about the difference between January and the next month? Does the trend continue? The accompanying data set contains the monthly credit card charges of a random sample of 99 cardholders. Complete parts a) through e) below. Click the icon to view the monthly credit card charges. a) Build a regression model to predict February charges from January charges. Feb =...
December January
1543.47 903.06
4296.15 7207.24
4229.96 4236.85
202.69 79.99
3296.93 4041.82
873.21 89.25
3812.03 3289.29
1932.82 2418.49
99.17 83.92
503.97 6.42
411.05 0.00
682.55 564.45
2161.01 2712.73
1124.99 186.99
2507.68 3262.37
1837.64 1525.17
9.94 1360.49
2333.51 733.98
78.63 75.08
101.31 70.26
598.44 634.39
648.23 1042.22
235.96 554.09
1267.16 1016.15
2124.18 1304.17
3.66 249.61
306.05 48.73
1900.26 872.97
559.58 485.61
2445.76 616.65
2799.59 1575.21
531.44 422.63
537.23 770.56
766.99 56.54
1959.23 1485.17
1679.34 495.98
2064.97 1065.45
396.87 510.34
5637.86 5646.55...
January February
904.26 641.28
7214.25 4569.29
4234.27 2267.96
79.94 299.72
4043.51 1376.97
89.34 -120.83
3291.24 1927.78
2418.33 2610.63
83.88 144.81
6.42 392.68
0 40.48
564.23 295.82
2715.11 848.78
187.15 162.09
3265.33 2411.81
1525.05 956.79
1359.03 38.01
733.88 2657.81
75.16 64.89
70.26 -70.25
634.37 1860.98
1041.29 478.41
553.33 994.54
1016.79 774.13
1305.45 3365.66
249.35 5.54
48.79 96.89
872.19 890.51
485.45 485.61
616.27 1484.08
1573.04 889.57
422.45 391.95
770.17 323.65
56.54 0
1484.99 2253.41
495.42 389.59
1065.47 1066.84
510.79 131.48
5647.13 4946.21...
6. The speed of light was measured 2,500 times. The average measurement was 299,774 kilometers per second and the standard deviation in the sample was about 14 kilometers per second. (a) What are the conditions on the measurement process that need to be satisfied so that you can provide an approximate 95% confidence interval for the speed of light based on the above data? (b) Assuming that these conditions are satisfied, report the corresponding confidence interval for the speed of...
The speed of light was measured 2,500 times. The average measurement was 299,774 kilometers per second and the standard deviation in the sample was about 14 kilometers per second. (a) What are the conditions on the measurement process that need to be satisfied so that you can provide an approximate 95% confidence interval for the speed of light based on the above data? (b) Assuming that these conditions are satisfied, report the corresponding confidence interval for the speed of light...
19 4poines)e the following information Cof "v kling (om ,, the average cost of flowers for a wedding İ.soos. Recentiyers was S ww the question. According to the website sample of 4o wecddings in the U.S.e was found that the averase cost of the flowers "ith a standard deviation of $102. On the basis of this. n 95% confidence intervii or in a rand was $73-4, an cot of nowers for a wedding is $701 to $767 the me r...
In a test of braking performance, a tire manufacturer measured the stopping distance for one of its tire models. On a test track, 10 different cars made repeated stops from 60 miles per hour. The test was run on both dry and wet pavement, with the accompanying results. Complete parts a) and b) below. EClick the icon to view the table of stopping distances. a) Construct a 95% confidence interval for the mean dry pavement stopping distance. Be sure to...