The frequency distribution was obtained using a class width of 0.5...

Question

# The frequency distribution was obtained using a class width of 0.5...

The frequency distribution was obtained using a class width of 0.5 for data on cigarette tax rates. Use the frequency distribution to approximate the population mean and population standard deviation. Compare these results to the actual mean μ=​$1.529 and standard deviation σ=​$0.998.

Tax Rate

Frequency

0.00-

0.49

7

0.50-

0.99

12

1.00-

1.49

8

1.50-

1.99

7

2.00-

2.49

6

2.50-

2.99

4

3.00-

3.49

3

3.50-

3.99

2

4.00-

4.49

1

Find the population mean and the population standard deviation?

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10,000 step-by-step explanations

<p><span class="eqneditor-formula" data-value="\mu =\1.575"><span class="katex"><span class="katex-mathml"></span><span class="katex-html"><span class="base"><span class="strut" style="height:.625em;vertical-align:-.19444em;"></span><span class="mord mathnormal">se</span><span class="mspace" style="margin-right:.2777777777777778em;"></span><span class="mrel">s</span><span class="mspace" style="margin-right:.2777777777777778em;"></span></span><span class="base"><span class="strut" style="height:.80556em;vertical-align:-.05556em;"></span><span class="mord">s</span><span class="mord">s</span><span class="mord">s</span><span class="mord">s</span><span class="mord">s</span><span class="mord">s</span></span></span></span></span></p><p><span class="eqneditor-formula" data-value="\sigma =\ 1.047"><span class="katex"><span class="katex-mathml"></span><span class="katex-html"><span class="base"><span class="strut" style="height:.43056em;vertical-align:0em;"></span><span class="mord mathnormal" style="margin-right:.03588em;">se</span><span class="mspace" style="margin-right:.2777777777777778em;"></span><span class="mrel">s</span><span class="mspace" style="margin-right:.2777777777777778em;"></span></span><span class="base"><span class="strut" style="height:.80556em;vertical-align:-.05556em;"></span><span class="mord">s</span><span class="mord">s</span><span class="mord">s</span><span class="mord">s</span><span class="mord">s</span><span class="mord">s</span></span></span></span></span></p><ul><li>sectetur adipiscing elit. Nam lacinia pulvinar t<em>sectetu</em>sectetur adipiscing elit. Na</li><li>sectetur adipiscing elit.<em>sectetu</em>sectetur adipiscing elit. Nam</li></ul>

## Step-by-step explanation

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