Assignment:
Data Array Created for Data Set
Q: Some investors take the strategy of investing in local companies. Each day the city newspaper carries the daily closing stock prices for some of the local companies. On a recent day, the closing prices for 37 companies were listed as follows:
|
61.00
|
50.06
|
6.50
|
45.56
|
22.13
|
13.88
|
18.13
|
38.75
|
26.94
|
91.44
|
|
28.38
|
64.56
|
7.13
|
59.94
|
72.94
|
37.88
|
27.75
|
73.19
|
25.88
|
25.38
|
|
60.06
|
14.63
|
28.88
|
27.31
|
52.75
|
1.69
|
30.25
|
52.38
|
31.81
|
72.98
|
|
118.00
|
19.88
|
45.31
|
31.00
|
72.63
|
120.00
|
25.88
|
|
|
|
a. How would you create a data array for these data.
b. In relation to this problem how would you try to develop a frequency distribution with five classes for these data?
c. In relation to this problem how would you, Try to Develop a histogram based on the frequency distribution.
d. How would you Determine the proportion of closing stock prices that are at least 50.
e. Write a short statement that describes the stock price data.