Question
In: Statistics and Probability
The manufacturer of an MP3 player wanted to know whether a 10% reduction in price is...
The manufacturer of an MP3 player wanted to know whether a 10% reduction in price is enough to increase the sales of its product. To investigate, the owner randomly selected eight outlets and sold the MP3 player at the reduced price. At seven randomly selected outlets, the MP3 player was sold at the regular price. Reported below is the number of units sold last month at the regular and reduced prices at the randomly selected outlets.
Regular price 138 121 123 116 116 122 132 Reduced price 143 133 151 136 144 123 130 131 picture Click here for the Excel Data File At the 0.01 significance level, can the manufacturer conclude that the price reduction resulted in an increase in sales? Hint: For the calculations, assume reduced price as the first sample.
Compute the pooled estimate of the variance. (Round your answer to 3 decimal places.)
Compute the test statistic. (Round your answer to 2 decimal places.)
State your decision about the null hypothesis. Reject H0 Fail to reject H0
Solutions
orchestra answered 2 years agoRelated Solutions
The manufacturer of an MP3 player wanted to know whether a 10% reduction in price is...
The manufacturer of an MP3 player wanted to know whether a 10%
reduction in price is enough to increase the sales of its product.
To investigate, the owner randomly selected eight outlets and sold
the MP3 player at the reduced price. At seven randomly selected
outlets, the MP3 player was sold at the regular price. Reported
below is the number of units sold last month at the regular and
reduced prices at the randomly selected outlets. Regular price 138
121...
The manufacturer of an MP3 player wanted to know whether a 10% reduction in price is...
The manufacturer of an MP3 player wanted to know whether a 10%
reduction in price is enough to increase the sales of its product.
To investigate, the owner randomly selected eight outlets and sold
the MP3 player at the reduced price. At seven randomly selected
outlets, the MP3 player was sold at the regular price. Reported
below is the number of units sold last month at the regular and
reduced prices at the randomly selected outlets.
Regular price
135
121...
The manufacturer of an MP3 player wanted to know whether a 10% reduction in price is...
The manufacturer of an MP3 player wanted to know whether a 10%
reduction in price is enough to increase the sales of its product.
To investigate, the owner randomly selected eight outlets and sold
the MP3 player at the reduced price. At seven randomly selected
outlets, the MP3 player was sold at the regular price. Reported
below is the number of units sold last month at the regular and
reduced prices at the randomly selected outlets.
Regular price
136
128...
The manufacturer of an MP3 player wanted to know whether a 10% reduction in price is...
The manufacturer of an MP3 player wanted to know whether a 10%
reduction in price is enough to increase the sales of its product.
To investigate, the owner randomly selected eight outlets and sold
the MP3 player at the reduced price. At seven randomly selected
outlets, the MP3 player was sold at the regular price. Reported
below is the number of units sold last month at the regular and
reduced prices at the randomly selected outlets.
Regular price
131
122...
The manufacturer of an MP3 player wanted to know whether a 10% reduction in price is...
The manufacturer of an MP3 player wanted to know whether a 10%
reduction in price is enough to increase the sales of its product.
To investigate, the owner randomly selected eight outlets and sold
the MP3 player at the reduced price. At seven randomly selected
outlets, the MP3 player was sold at the regular price. Reported
below is the number of units sold last month at the regular and
reduced prices at the randomly selected outlets. Regular price 138
124...
The manufacturer of an MP3 player wanted to know whether a 10% reduction in price is...
The manufacturer of an MP3 player wanted to know whether a 10%
reduction in price is enough to increase the sales of its product.
To investigate, the owner randomly selected eight outlets and sold
the MP3 player at the reduced price. At seven randomly selected
outlets, the MP3 player was sold at the regular price. Reported
below is the number of units sold last month at the regular and
reduced prices at the randomly selected outlets.
Regular price
132
127...
The manufacturer of an MP3 player wanted to know whether a 10% reduction in price is...
The manufacturer of an MP3 player wanted to know whether a 10%
reduction in price is enough to increase the sales of its product.
To investigate, the owner randomly selected eight outlets and sold
the MP3 player at the reduced price. At seven randomly selected
outlets, the MP3 player was sold at the regular price. Reported
below is the number of units sold last month at the regular and
reduced prices at the randomly selected outlets.
Regular price
131
124...
The manufacturer of an MP3 player wanted to know whether a 10% reduction in price is...
The manufacturer of an MP3 player wanted to know whether a 10%
reduction in price is enough to increase the sales of its product.
To investigate, the owner randomly selected eight outlets and sold
the MP3 player at the reduced price. At seven randomly selected
outlets, the MP3 player was sold at the regular price. Reported
below is the number of units sold last month at the regular and
reduced prices at the randomly selected outlets.
Regular price
133
125...
The manufacturer of an MP3 player wanted to know whether a 10 percent reduction in price...
The manufacturer of an MP3 player wanted to know whether a 10
percent reduction in price is enough to increase the sales of its
product. To investigate, the owner randomly selected eight outlets
and sold the MP3 player at the reduced price. At seven randomly
selected outlets, the MP3 player was sold at the regular price.
Reported below is the number of units sold last month at the
sampled outlets. Regular price 134 125 88 113 143 129 96 Reduced...
he manufacturer of an MP3 player wanted to know whether a 10% reduction in price is...
he manufacturer of an MP3 player wanted to know whether a 10%
reduction in price is enough to increase the sales of its product.
To investigate, the owner randomly selected eight outlets and sold
the MP3 player at the reduced price. At seven randomly selected
outlets, the MP3 player was sold at the regular price. Reported
below is the number of units sold last month at the regular and
reduced prices at the randomly selected outlets.
Regular price
134
125...
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