A survey conducted by Wakefield Research asked adults what their favorite night to order takeout for dinner
Question:
A survey conducted by Wakefield Research asked adults what their favorite night to order takeout for dinner was. The results are shown in the following table. Suppose a second survey was conducted asking restaurants about the actual observed frequencies for each night’s takeout business. Those numbers are reported in the “Observed Frequency” column.
Night Wakefield Percentage Observed Frequency Monday 7 12 Tuesday 5 12 Wednesday 12 4 Thursday 7 6 Friday 38 59 Saturday 21 20 Sunday 10 12 Total 100 125
a. Using a = 0.05, perform a chi-square test to determine if the observed frequencies confirm the results obtained by Wakefield Research.
b. Determine the p-value using Excel and interpret its meaning.
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