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computation of percentiles in frequenncy distributions

On a paper and pencil measure of self-esteem, subjects in an experiment received the following scores: 113 131 138 145 154 116 131 138 145 155 119 132 138 146 156 119 133 140 146 157 121 134 140 148 163 125 134 141 150 167 129 134 141 151 129 135 142 152 130 137 143 141 What is the percentile rank of score 152 for this distribution, and how is this calculated as well as the 60th and 30th percentile point of this same distribution. Can you show me the calculations for each as this is confusing.

Subject:

Statistics

Topic:

All Topics

Posting ID:

5357

OTA ID:

103477

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determining the corner point

The Electrocomp Corporation manufactures two electrical products: air conditioner and large fans. The assembly process for each is similar in that both require a certain amount of wiring and drilling. Each air conditioner takes 3 hours of wiring and 2 hours of drilling. Each fan must go through 2 hours of wiring and 1 hour of drilling. During the next production, period 240 hours of wiring time are available and up to 140 hours of drilling time may be used. Each air conditioner sold yields a profit of $25. Each fan assembled may be sold for a profit of $15. Formulate and solve this LP production mix situation to find the best combination of air conditioners and fans that yields the hi... click for more

Subject:

Statistics

Topic:

All Topics

Posting ID:

5382

OTA ID:

101298

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Simple Linear Regression Analysis: Can the cost of flying a commercial airliner be predicted using regression analysis? Suppose a study is conducted to predict cost of a flight by number of passengers using only Boeing 737s traveling 500 miles in comparable routes during the same season of the year. Given here is Excel output for a simple regression model that was developed for this case. Analyze the computer output.

Regression Analysis Can the cost of flying a commercial airliner be predicted using regression analysis? Suppose a study is conducted to predict cost of a flight by number of passengers using only Boeing 737s traveling 500 miles in comparable routes during the same season of the year. Given here is Excel output for a simple regression model that was developed for this case. Analyze the computer output. 1) Write down the estimated regression equation. What stands here for Y and what for X1? 2) How many airliners were in the sample? 3) Does there appear to be any relationship between 2 variables? Which indicator do you use to estimate that? 4) Discuss the strength of the regres... click for more

Subject:

Statistics

Topic:

All Topics

Posting ID:

5387

OTA ID:

103060

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Linear Regression

Linear regression

Subject:

Statistics

Topic:

All Topics

Posting ID:

5388

OTA ID:

103477

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A realtion between moment generating functions and the expectation of a random variable.

Use moment generating functions to find an expression for the expectation of a random variable.

Subject:

Statistics

Topic:

All Topics

Posting ID:

5408

OTA ID:

103563

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