1 1945-46 1946 109 83.00 84.50 50.00 69.00 55.5 451.0 2 1946-47 1947 69 63.00 61
ID: 3048921 • Letter: 1
Question
1
1945-46
1946
109
83.00
84.50
50.00
69.00
55.5
451.0
2
1946-47
1947
69
63.00
61.00
53.00
68.00
60.0
374.0
3
1947-48
1948
118
80.00
46.00
66.00
165.00
74.0
549.0
4
1948-49
1949
71
160.00
132.00
58.00
97.00
5.0
523.0
5
1949-50
1950
39
137.00
133.00
34.00
109.00
25.0
477.0
6
1950-51
1951
60
66.00
112.00
58.00
53.00
0.0
349.0
7
1951-52
1952
67
156.00
115.00
105.00
163.00
35.0
641.0
8
1952-53
1953
44
65.00
112.00
40.00
93.00
57.0
411.0
9
1953-54
1954
50
107.00
54.00
57.00
101.00
14.0
383.0
10
1954-55
1955
37
53.00
134.00
129.00
60.00
59.0
472.0
11
1955-56
1956
86
112.00
103.00
72.00
33.00
54.0
460.0
12
1956-57
1957
36
50.00
86.00
41.00
97.00
76.0
386.0
13
1957-58
1958
74
79.50
83.50
131.50
80.00
111.0
559.5
14
1958-59
1959
38
47.50
81.00
107.00
84.50
28.0
386.0
15
1959-60
1960
22
39.50
59.00
155.00
92.00
28.0
395.5
16
1960-61
1961
75
40.00
1.00
62.00
113.00
35.0
326.0
17
1961-62
1962
46
82.50
86.00
110.00
35.00
42.0
401.5
18
1962-63
1963
31
17.00
85.00
39.00
93.00
136.0
401.0
19
1963-64
1964
55
53.00
108.00
68.00
183.00
99.0
566.0
20
1964-65
1965
95
141.00
150.00
66.00
44.00
77.0
573.0
21
1965-66
1966
69
69.00
73.00
103.00
70.00
49.0
433.0
22
1966-67
1967
53
84.00
168.00
72.00
61.00
106.0
544.0
23
1967-68
1968
22
131.00
39.00
84.00
70.00
133.5
479.5
24
1968-69
1969
87.5
132.60
113.00
148.00
35.00
50.0
566.1
25
1969-70
1970
56
70.00
103.50
60.50
79.00
90.0
459.0
26
1970-71
1971
79
142.00
58.00
73.50
87.00
42.0
481.5
27
1971-72
1972
64.5
159.00
94.50
45.00
47.00
56.6
466.6
28
1972-73
1973
----
122.00
64.50
77.00
124.00
109.0
496.5
29
1973-74
1974
90.9
128.20
104.50
91.00
45.00
136.0
595.6
30
1974-75
1975
25.5
146.50
104.00
88.00
151.00
90.0
605.0
31
1975-76
1976
94
67.00
74.50
69.00
93.00
42.0
439.5
32
1976-77
1977
13.5
17.00
50.50
73.50
129.00
31.0
314.5
33
1977-78
1978
53
106.50
99.50
92.50
85.00
88.0
524.5
34
1978-79
1979
62.5
96.00
78.50
86.00
71.00
94.0
488.0
35
1979-80
1980
79.5
27.00
143.00
112.50
123.00
29.0
514.0
36
1980-81
1981
40
34.00
73.00
82.00
110.00
52.0
391.0
37
1981-82
1982
47
184.00
143.00
85.00
164.00
73.0
696.0
38
1982-83
1983
66
165.00
75.50
68.00
150.00
112.5
637.0
39
1983-84
1984
143.5
244.50
42.00
104.00
85.00
124.5
743.5
40
1984-85
1985
112.5
105.00
44.00
61.50
99.50
34.5
457.0
41
1985-86
1986
132
62.00
56.00
112.70
100.00
135.7
599.0
42
1986-87
1987
73
12.30
96.00
73.00
104.00
23.5
381.8
43
1987-88
1988
30
91.00
105.10
39.75
115.50
29.0
410.3
44
1988-89
1989
172.5
124.50
70.75
97.50
64.75
52.0
581.5
45
1989-90
1990
76
49.00
107.50
100.50
84.00
31.0
448.0
46
1990-91
1991
109.5
91.00
82.80
49.70
110.90
136.3
580.2
47
1991-92
1992
133.4
57.20
41.80
85.00
50.10
27.5
395.0
48
1992-93
1993
118.8
119.20
165.30
102.90
63.00
81.2
650.4
49
1993-94
1994
40.7
64.85
122.70
134.05
47.20
80.8
490.3
50
1994-95
1995
205.9
73.80
199.70
56.30
128.90
80.7
745.4
51
1995-96
1996
57
53.00
187.00
104.00
82.00
79.0
562.0
52
1996-97
1997
78.3
164.80
141.50
91.00
53.80
69.7
599.1
53
1997-98
1998
46.3
81.80
128.90
156.60
92.30
69.0
574.9
54
1998-99
1999
76.5
43.10
105.30
98.00
46.50
89.0
458.4
55
1999-00
2000
30
97.00
100.00
119.50
84.00
15.5
446.0
56
2000-01
2001
88
71.00
66.20
79.50
53.00
112.0
469.7
57
2001-02
2002
137
86.10
100.90
53.40
142.20
48.1
567.7
58
2002-03
2003
42
78.70
26.00
84.10
93.80
74.8
399.4
59
2003-04
2004
110
151.00
74.30
130.00
62.00
43.5
570.8
60
2004-05
2005
62.7
86.40
113.50
77.90
153.60
59.5
553.6
61
2005-06
2006
81
132.00
148.00
61.50
135.00
76.0
633.5
62
2006-07
2007
63
51.50
38.50
107.00
63.50
32.5
356.0
63
2007-08
2008
18
161.00
186.00
132.00
85.00
72.0
654.0
64
2008-09
2009
56
107.00
113.00
75.00
114.00
113.0
578.0
65
2009-10
2010
22
71.50
88.50
61.00
60.00
127.0
430.0
66
2010-11
2011
82.5
114.00
42.00
97.50
100.00
117.0
553.0
67
2011-12
2012
52
20.00
64.50
63.00
82.00
48.0
329.5
68
2012-13
2013
61
101.00
57.00
56.00
45.00
62.5
382.5
69
2013-14
2014
31.5
55.00
64.00
85.50
70.00
51.5
357.5
70
2014-15
2015
59.5
73.50
28.50
35.00
24.00
47.0
267.5
71
2015-16
2016
46
105.00
97.00
34.00
69.00
42.0
393.0
72
2016-17
2017
65.7
79.00
154.00
113.80
45.00
73.0
530.5
Calculate the Z-score for the maximum and the minamum seasonal snowfall from 1946 to 2017? (Show your work.)
season year ending nov dec jan feb mar apr total1
1945-46
1946
109
83.00
84.50
50.00
69.00
55.5
451.0
2
1946-47
1947
69
63.00
61.00
53.00
68.00
60.0
374.0
3
1947-48
1948
118
80.00
46.00
66.00
165.00
74.0
549.0
4
1948-49
1949
71
160.00
132.00
58.00
97.00
5.0
523.0
5
1949-50
1950
39
137.00
133.00
34.00
109.00
25.0
477.0
6
1950-51
1951
60
66.00
112.00
58.00
53.00
0.0
349.0
7
1951-52
1952
67
156.00
115.00
105.00
163.00
35.0
641.0
8
1952-53
1953
44
65.00
112.00
40.00
93.00
57.0
411.0
9
1953-54
1954
50
107.00
54.00
57.00
101.00
14.0
383.0
10
1954-55
1955
37
53.00
134.00
129.00
60.00
59.0
472.0
11
1955-56
1956
86
112.00
103.00
72.00
33.00
54.0
460.0
12
1956-57
1957
36
50.00
86.00
41.00
97.00
76.0
386.0
13
1957-58
1958
74
79.50
83.50
131.50
80.00
111.0
559.5
14
1958-59
1959
38
47.50
81.00
107.00
84.50
28.0
386.0
15
1959-60
1960
22
39.50
59.00
155.00
92.00
28.0
395.5
16
1960-61
1961
75
40.00
1.00
62.00
113.00
35.0
326.0
17
1961-62
1962
46
82.50
86.00
110.00
35.00
42.0
401.5
18
1962-63
1963
31
17.00
85.00
39.00
93.00
136.0
401.0
19
1963-64
1964
55
53.00
108.00
68.00
183.00
99.0
566.0
20
1964-65
1965
95
141.00
150.00
66.00
44.00
77.0
573.0
21
1965-66
1966
69
69.00
73.00
103.00
70.00
49.0
433.0
22
1966-67
1967
53
84.00
168.00
72.00
61.00
106.0
544.0
23
1967-68
1968
22
131.00
39.00
84.00
70.00
133.5
479.5
24
1968-69
1969
87.5
132.60
113.00
148.00
35.00
50.0
566.1
25
1969-70
1970
56
70.00
103.50
60.50
79.00
90.0
459.0
26
1970-71
1971
79
142.00
58.00
73.50
87.00
42.0
481.5
27
1971-72
1972
64.5
159.00
94.50
45.00
47.00
56.6
466.6
28
1972-73
1973
----
122.00
64.50
77.00
124.00
109.0
496.5
29
1973-74
1974
90.9
128.20
104.50
91.00
45.00
136.0
595.6
30
1974-75
1975
25.5
146.50
104.00
88.00
151.00
90.0
605.0
31
1975-76
1976
94
67.00
74.50
69.00
93.00
42.0
439.5
32
1976-77
1977
13.5
17.00
50.50
73.50
129.00
31.0
314.5
33
1977-78
1978
53
106.50
99.50
92.50
85.00
88.0
524.5
34
1978-79
1979
62.5
96.00
78.50
86.00
71.00
94.0
488.0
35
1979-80
1980
79.5
27.00
143.00
112.50
123.00
29.0
514.0
36
1980-81
1981
40
34.00
73.00
82.00
110.00
52.0
391.0
37
1981-82
1982
47
184.00
143.00
85.00
164.00
73.0
696.0
38
1982-83
1983
66
165.00
75.50
68.00
150.00
112.5
637.0
39
1983-84
1984
143.5
244.50
42.00
104.00
85.00
124.5
743.5
40
1984-85
1985
112.5
105.00
44.00
61.50
99.50
34.5
457.0
41
1985-86
1986
132
62.00
56.00
112.70
100.00
135.7
599.0
42
1986-87
1987
73
12.30
96.00
73.00
104.00
23.5
381.8
43
1987-88
1988
30
91.00
105.10
39.75
115.50
29.0
410.3
44
1988-89
1989
172.5
124.50
70.75
97.50
64.75
52.0
581.5
45
1989-90
1990
76
49.00
107.50
100.50
84.00
31.0
448.0
46
1990-91
1991
109.5
91.00
82.80
49.70
110.90
136.3
580.2
47
1991-92
1992
133.4
57.20
41.80
85.00
50.10
27.5
395.0
48
1992-93
1993
118.8
119.20
165.30
102.90
63.00
81.2
650.4
49
1993-94
1994
40.7
64.85
122.70
134.05
47.20
80.8
490.3
50
1994-95
1995
205.9
73.80
199.70
56.30
128.90
80.7
745.4
51
1995-96
1996
57
53.00
187.00
104.00
82.00
79.0
562.0
52
1996-97
1997
78.3
164.80
141.50
91.00
53.80
69.7
599.1
53
1997-98
1998
46.3
81.80
128.90
156.60
92.30
69.0
574.9
54
1998-99
1999
76.5
43.10
105.30
98.00
46.50
89.0
458.4
55
1999-00
2000
30
97.00
100.00
119.50
84.00
15.5
446.0
56
2000-01
2001
88
71.00
66.20
79.50
53.00
112.0
469.7
57
2001-02
2002
137
86.10
100.90
53.40
142.20
48.1
567.7
58
2002-03
2003
42
78.70
26.00
84.10
93.80
74.8
399.4
59
2003-04
2004
110
151.00
74.30
130.00
62.00
43.5
570.8
60
2004-05
2005
62.7
86.40
113.50
77.90
153.60
59.5
553.6
61
2005-06
2006
81
132.00
148.00
61.50
135.00
76.0
633.5
62
2006-07
2007
63
51.50
38.50
107.00
63.50
32.5
356.0
63
2007-08
2008
18
161.00
186.00
132.00
85.00
72.0
654.0
64
2008-09
2009
56
107.00
113.00
75.00
114.00
113.0
578.0
65
2009-10
2010
22
71.50
88.50
61.00
60.00
127.0
430.0
66
2010-11
2011
82.5
114.00
42.00
97.50
100.00
117.0
553.0
67
2011-12
2012
52
20.00
64.50
63.00
82.00
48.0
329.5
68
2012-13
2013
61
101.00
57.00
56.00
45.00
62.5
382.5
69
2013-14
2014
31.5
55.00
64.00
85.50
70.00
51.5
357.5
70
2014-15
2015
59.5
73.50
28.50
35.00
24.00
47.0
267.5
71
2015-16
2016
46
105.00
97.00
34.00
69.00
42.0
393.0
72
2016-17
2017
65.7
79.00
154.00
113.80
45.00
73.0
530.5
Explanation / Answer
Here mean snowfall = 491.78 mm
Standard deviation of snowfall = 104.89 mm
Minimum snowfall = 267.5 mm
Z = (267.5 - 491.78)/104.89 = -2.14
Maximum snowfall = 745.4
Z = (745.4 - 491.78)/104.89 = 2.418
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