1. The data below represent the weights (in grams) of a random sample of 50 candies. 0.99 0.87 0.84 0.85 0.82 0.86 0.98 0.85 0.82 0.82 0.83 0.89 0.79 0.85 0.89 0.83 0.71 0.82 0.76 0.83 0.93 0.79 0.78 0.93 0.84 0.94 0.88 0.87 0.84 0.75 0.97 0.83 0.78 0.79 0.82 0.79 0.85 0.89 0.89 0.79 0.71 0.82 0.75 0.73 0.81 0.81 0.89 0.94 0.92 0.84 a. Determine the sample standard deviation weight between 0.709 and 0.973 gram. b. Determine the actual percentage of candies that weigh between 0.709 and 0.973 gram, inclusive.

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1. The data below represent the weights (in grams) of a random sample of 50 candies.
0.99
0.87
0.84
0.85
0.82
0.86
0.98
0.85
0.82
0.82
0.83
0.89
0.79
0.85
0.89
0.83
0.71
0.82
0.76
0.83
0.93
0.79
0.78
0.93
0.84
0.94
0.88
0.87
0.84
0.75
0.97
0.83
0.78
0.79
0.82
0.79
0.85
0.89
0.89
0.79
0.71
0.82
0.75
0.73
0.81
0.81
0.89
0.94
0.92
0.84
N-
a. Determine the sample standard deviation weight between 0.709 and 0.973 gram.
b. Determine the actual percentage of candies that weigh between 0.709 and 0.973 gram, inclusive.
2. An economist believes that the percentage of urban households with Internet access is greater
than the percentage of rural households with Internet access. He obtains a random sample of 800
urban households and finds that 338 of them have Internet access. He obtains a random sample
of 750 rural households and finds that 292 of them have Internet access. Test the economist's
claim at the a = 0.05 level of significance.
Transcribed Image Text:Document9 Qv Search in Document Home Insert Design Layout References Mailings Review View Developer Share Times New Ro... 12 A- Av Áa AaBbCcD AaBbCcDdE AaBb( AaBbCcDdEe AaBbCcDdEe AaBbCcDdEe AgBbCcDdEe AаBbСcDdEe I U abe X2 x2 A Styles Pane Paste Normal No Spacing Heading 1 Heading 2 Title Subtitle Subtle Emph... Emphasis 2 4 7 1. The data below represent the weights (in grams) of a random sample of 50 candies. 0.99 0.87 0.84 0.85 0.82 0.86 0.98 0.85 0.82 0.82 0.83 0.89 0.79 0.85 0.89 0.83 0.71 0.82 0.76 0.83 0.93 0.79 0.78 0.93 0.84 0.94 0.88 0.87 0.84 0.75 0.97 0.83 0.78 0.79 0.82 0.79 0.85 0.89 0.89 0.79 0.71 0.82 0.75 0.73 0.81 0.81 0.89 0.94 0.92 0.84 N- a. Determine the sample standard deviation weight between 0.709 and 0.973 gram. b. Determine the actual percentage of candies that weigh between 0.709 and 0.973 gram, inclusive. 2. An economist believes that the percentage of urban households with Internet access is greater than the percentage of rural households with Internet access. He obtains a random sample of 800 urban households and finds that 338 of them have Internet access. He obtains a random sample of 750 rural households and finds that 292 of them have Internet access. Test the economist's claim at the a = 0.05 level of significance.
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