School Work

In: Business and Management

Submitted By kabirvaghela
Words 336
Pages 2
S&RM: Assignment-1
Download the data of closing daily stock market prices of any company from 1st August to 30th August 2014. I) Describe this sample of 30 data points. Comment on your impressions about data. II) The closing market price of any day is considered as a) Going up if it is greater than the mean + 0.5 SD. b) Going down if it is less than mean – 0.5 SD. c) Remaining steady if it is between mean + 0.5 Sd. Classify the collected sample of the prices according to i) ‘going up’, ii) ‘going down’ or iii) ‘remaining steady’. Write the table for the classification. III) Calculate the probability of price i) going up ii) going down and iii) remaining steady.
Is this conditional probability or a simple probability? IV) It is observed that the status of closing market price of any day depends on the status of the previous day. If yesterday’s status of the price is ‘up’ then using this sample what is the probability that a) Today the price goes up. b) Today the price goes down. c) Today the price remains steady.
If yesterday’s status of the price is ‘down’ then what is the probability that a) Today the price goes up. b) Today the price goes down. c) Today the price remains steady.
Comment on the conditional probability you have found. Is there any difference between the conditional probabilities of ‘going up’, ‘going down’ and ‘remaining steady’ and simple probabilities of those events? V) After 15 days if you find that the closing market price is between mean + 0.5 SD.
What is the probability that a) Previous day closing price was also between mean + 0.5 SD.(steady) b) Previous day the closing price was less than mean – 0.5 SD.(down) c) Previous day the closing price was more than mean + 0.5 SD.(up)
Explain how…...

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