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Unit 7: Confidence


Confidence
In this unit, how a statistician projects a sample onto a population that is normally distributed, is the focus of our study. Properties of a normal distribution, and  techniques of insuring a random sample are studied and used in the development of the semester project.

vertical bar.gif (139 bytes) Unit 7 - Confidence 
Activities/Labs
Cents & the Central Limit   WORD   pdf
Sampling Error
Spinning Pennies
Estimating Proportions - Pre Lab
Est. Proportions - M & M Lab

Non-Contract Sampling Assignment
Confidence Review
Notes
Random Number Table

HW
READ Ch 7: pg. 290 - 295
Central Limit Theorem 
        pg. 300 #99 - 106, & 118-121
READ Ch 8: pg. 317 - 324
Confidence Intervals 
         pg. 328 #9-16, 20, 21 (z-distrib)
         pg. 334 #31 -37(t-distrib.)
         pg. 341 #48 -55 (proportions)