Statistics And Probability - Texas Instruments MathPrint TI-30X Plus Quick Manual

Example
Use the TI-30X Plus MathPrint™ to find the exact value of
Keystrokes and solution:
The angle mode is RAD.
Press f k and enter .
Press * d ] and enter .
Press > ) n.
.
7

Statistics and probability

Press y to enter and edit lists (see data editor and list formulas feature).
Press q † to access the STAT-REG menu or the DISTR menu.
Example
Two companies, A and B, produce packets of chips which are labelled as having a weight of
grams. A random sample of
weighed and the results, in grams, are as follows.
Company A:
Company B: 51.0,50.9,51.1,51.5,51.3,50.2,50.6,50.0,50.5,50.9
For each company's data, use the TI-30X Plus MathPrint™ to calculate the
(a)
(i) mean weight.
(ii) five-number summary.
(iii) interquartile range.
(b) What, if anything, can be concluded about the manufacturing processes of the two
companies?
10
packets is taken from each company. Each packet is
19
.