The distribution for a arid the standard deviation is 2. Suppose that five stude

Question

The distribution for a arid the standard deviation is 2. Suppose that five students each take a sample of ter ten data values. The students draw a classroom board so that they can compare them. population of measurements is presented below. The mean is 3.2 the population and each student calculates the sample mean for his or her dot plot of their five sample means on the 6 10 15. Which of the following dot plots do you think is the most plausible for the one they drew on the board? 00 10 0 4.0 3 0 5 0 6.0 70 80 90 00 10 0 30 40 50 60 70 8o 90 00 10 20 30 40 50 60 70 .0 9.0 a. a C. C

Explanation / Answer

(C) is the correct plot

A dot plot, also called a dot chart, is a type of simple histogram-like chart used in statistics for relatively small data sets where values fall into a number of discrete bins. To draw a dot plot, count the number of data points falling in each bin and draw a stack ofdots that number high for each bin.

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