1. Calculate the weekly return for BIT and construct a histogramin Excel. Does the data on return rates appear normallydistributed? On the basis of z-scores do you find evidence ofoutliers? Hint: the formula for a return is (Current Price –Previous price)/Previous price multiplied by 100.

Date	Weekly Return BIT
11/3/13	-46.16
18/3/13	-0.01
25/3/13	39.23
1/4/13	13.07
8/4/13	23.93
15/4/13	41.36
22/4/13	26.5
29/4/13	20.39
6/5/13	25.5
13/5/13	42.52
20/5/13	37.88001
27/5/13	15.66
3/6/13	20.98
10/6/13	25.28
17/6/13	11.97
24/6/13	-2.46
1/7/13	14.95
8/7/13	-3.5
15/7/13	-8
22/7/13	-0.05
29/7/13	25.49
5/8/13	4.099998
12/8/13	9.529999
19/8/13	58.75
26/8/13	36.12
2/9/13	47.87
9/9/13	43.09
16/9/13	42.08
23/9/13	40.24001
30/9/13	51.77
7/10/13	93.52
14/10/13	113.89
21/10/13	133.5
28/10/13	231.05
4/11/13	447.08
11/11/13	874.55
18/11/13	1091.99
25/11/13	916.27
2/12/13	927.8199
9/12/13	681.78
16/12/13	789.11
23/12/13	899
30/12/13	937.92
6/1/14	877.1
13/1/14	900
20/1/14	828.99
27/1/14	750
3/2/14	640
10/2/14	628.37
17/2/14	550
24/2/14	574.73
3/3/14	569.53
10/3/14	546.83
17/3/14	460
24/3/14	418.31
31/3/14	375
7/4/14	467.54
14/4/14	369
21/4/14	402.16
28/4/14	356
5/5/14	410.9
12/5/14	548.66
19/5/14	652.71
26/5/14	650
2/6/14	571.71
9/6/14	590
16/6/14	565
23/6/14	561.2
30/6/14	592.14
7/7/14	514.12
14/7/14	500.84
21/7/14	565.93
28/7/14	587.76
4/8/14	484.97
11/8/14	443
18/8/14	410.53
25/8/14	437.92
1/9/14	462.43
8/9/14	324.44
15/9/14	360.15
22/9/14	253.36
29/9/14	381.64
6/10/14	385.55
13/10/14	349.98
20/10/14	319.9
27/10/14	340.98
3/11/14	363.96
10/11/14	348.09
17/11/14	371.5
24/11/14	376
1/12/14	319.55
8/12/14	334.97
15/12/14	343.46
22/12/14	262.8
29/12/14	250.09
5/1/15	190.02
12/1/15	380.51
19/1/15	189.48
26/1/15	209.59
2/2/15	223.9
9/2/15	223.5
16/2/15	254.85
23/2/15	251.34
2/3/15	305.86
9/3/15	249.82
16/3/15	280
23/3/15	220.56
30/3/15	279.94
6/4/15	265
13/4/15	200
20/4/15	224.68
27/4/15	195.91
4/5/15	245.03
11/5/15	227.36
18/5/15	269.69
25/5/15	228.8
1/6/15	220.5
8/6/15	212.87
15/6/15	225.62
22/6/15	262.18
29/6/15	343.58
6/7/15	312.15
13/7/15	301.96
20/7/15	315
27/7/15	262.04
3/8/15	229.08
10/8/15	257.53
17/8/15	220.4
24/8/15	249.46
31/8/15	230.8
7/9/15	223.27
14/9/15	246.48
21/9/15	250.66
28/9/15	239.59
5/10/15	273.53
12/10/15	300.01
19/10/15	377.69
26/10/15	451.39
2/11/15	371.79
9/11/15	376.89
16/11/15	418.39
23/11/15	440.58
30/11/15	505.46
7/12/15	516.24
14/12/15	481.21
21/12/15	482.38
28/12/15	542.2
4/1/16	454.28
11/1/16	473.92
18/1/16	432.58
25/1/16	429.39
1/2/16	467.05
8/2/16	509.61
15/2/16	506.68
22/2/16	448.07
29/2/16	443.69
7/3/16	484.58
14/3/16	489.97
21/3/16	485.82
28/3/16	455.66
4/4/16	474.93
11/4/16	516.19
18/4/16	488.28
25/4/16	555.87
2/5/16	542.67
9/5/16	512.75
16/5/16	601.27
23/5/16	688.69
30/5/16	803.09
6/6/16	953.05
13/6/16	805.65
20/6/16	797.08
27/6/16	771.54
4/7/16	795.01
11/7/16	793.52
18/7/16	723.18
25/7/16	687.93
1/8/16	650.5
8/8/16	660
15/8/16	670
22/8/16	715.6
29/8/16	714
5/9/16	734.99
12/9/16	686.2
19/9/16	719.42
26/9/16	715.57
3/10/16	754
10/10/16	761.02
17/10/16	825
24/10/16	825.83
31/10/16	831.9
7/11/16	900.52
14/11/16	902.97
21/11/16	924.27
28/11/16	975.2
5/12/16	1006.2
12/12/16	1135.94
19/12/16	1281.4
26/12/16	1144.41
2/1/17	995.16
9/1/17	1123.2
16/1/17	1138.34
23/1/17	1247.74
30/1/17	1241.48
6/2/17	1275.95
13/2/17	1453.46
20/2/17	1590.27
27/2/17	1549.1
6/3/17	1262.27
13/3/17	1177.61
20/3/17	1372.88
27/3/17	1512.83
3/4/17	1488.75
10/4/17	1583.46
17/4/17	1681.71
24/4/17	2096.67
1/5/17	2495.07
8/5/17	2760.85
15/5/17	2994.79
22/5/17	3393.27
29/5/17	3789.46
5/6/17	3488.86
12/6/17	3403.31
19/6/17	3242.76
26/6/17	3315.51
3/7/17	2410
10/7/17	3441.5
17/7/17	3429.74
24/7/17	3960.53
31/7/17	5218.14
7/8/17	5198.76
14/8/17	5520
21/8/17	5918.4
28/8/17	5219.46
4/9/17	4493.05
11/9/17	4525.38
18/9/17	5465.36
25/9/17	5787.35
2/10/17	7126.76
9/10/17	7613.93
16/10/17	7918.65
23/10/17	9592.39
30/10/17	7824.89
6/11/17	10593.55
13/11/17	12197.99
20/11/17	14924.19
27/11/17	21084.87
4/12/17	25886.55
11/12/17	18839.79
18/12/17	18950.74
25/12/17	22762.21
1/1/18	18941.51
8/1/18	15048.37
15/1/18	14345.12
22/1/18	10125.82
29/1/18	10282.72
5/2/18	13238.45
12/2/18	12200.72
19/2/18	14663.94
26/2/18	12043.73
5/3/18	10546.88
12/3/18	10939.19
19/3/18	8735.98
26/3/18	9030.39
2/4/18	10554.32
9/4/18	11257.21
16/4/18	12332.76
23/4/18	12582.62
30/4/18	11460.03
7/5/18	11218.46
14/5/18	9652.02
21/5/18	10133.1
28/5/18	8856.31
4/6/18	8617.19
11/6/18	8152.91
18/6/18	8389.05
25/6/18	8853.63
2/7/18	8455.52
9/7/18	9847.28
16/7/18	11014.06
23/7/18	9459.81
30/7/18	8619.77
6/8/18	8820.44
13/8/18	9072.49
20/8/18	9981.22
27/8/18	8702.43
3/9/18	8958.83
10/9/18	9018.22
17/9/18	9039.68
24/9/18	9164.69
1/10/18	8635.74
8/10/18	8905.48
15/10/18	8919.61
22/10/18	8808.97
29/10/18	8741.39
5/11/18	7479.24
12/11/18	5335.57
19/11/18	5486.65
26/11/18	4814.89
3/12/18	4340.44
10/12/18	5496.18
17/12/18	5356.26
24/12/18	5586.6
31/12/18	4808.14
7/1/19	4862.34
14/1/19	4842.09
21/1/19	4634.24
28/1/19	5032.33
4/2/19	4983.2
11/2/19	5113.99
18/2/19	5240.09
25/2/19	5455.14
4/3/19	5526.45
11/3/19	5517.53
18/3/19	5638.09
25/3/19	7153.71
1/4/19	7114.66
8/4/19	7337.26
15/4/19	7305.25
22/4/19	8020.41
29/4/19	9862.31
6/5/19	11784.94
13/5/19	12517.35
20/5/19	12506.94
27/5/19	10883.83
3/6/19	12861.26
10/6/19	15472.87
17/6/19	15080.16
24/6/19	16268.05
1/7/19	14557.08
8/7/19	14957.73
15/7/19	13791.59
22/7/19	16032.89
29/7/19	16937.56
5/8/19	15248.79
12/8/19