The company "TRAMAD" is conducting a study on the variation of the prices of its shares, listed on the Santiago Stock Ex
Posted: Sun Sep 05, 2021 5:05 pm
The company "TRAMAD" is conducting a study on the variation of
the prices of its shares, listed on the Santiago Stock Exchange.
For this purpose, it takes a sample of prices corresponding to the
last 30 working days. The value indicated is the one that has been
registered at the closing time of the operations:
450 540 280 440 350 720 400 190 410 700
600 500 250 780 290 580 320 220 320 660
300 360 320 605 180 300 210 520 290 420
a) Make a frequency table.
b) Calculate the mean and standard deviation.
d) Calculate and interpret the quartile 1.
the prices of its shares, listed on the Santiago Stock Exchange.
For this purpose, it takes a sample of prices corresponding to the
last 30 working days. The value indicated is the one that has been
registered at the closing time of the operations:
450 540 280 440 350 720 400 190 410 700
600 500 250 780 290 580 320 220 320 660
300 360 320 605 180 300 210 520 290 420
a) Make a frequency table.
b) Calculate the mean and standard deviation.
d) Calculate and interpret the quartile 1.