Defects per 100 Vehicles (alphabetical by brand) Brand Defects Brand Defects Brand Defects Acura 82 Hyundai 82 Mini 128 Audi 111 Infiniti 93 Mitsubishi 145 BMW 113 Jaguar 126 Nissan 111 Buick 114 Jeep 132 Porsche 90 Cadillac 111 Kia 128 Ram 110 Chevrolet 111 Land Rover 176 Scion 114 Chrysler 137 Lexus 87 Subaru 132 Dodge 125 Lincoln 93 Toyota 117 Ford 105 Mazda 114 Volkswagen 137 GMC 132 Mercedes-Benz 105 Volvo 94 Honda 108 Mercury 113 Construct a stem-and-leaf plot for the number of defects per 100 vehicles for these 32 brands. Okay I've got the bin width 3.1 I'm lost on how to find the leaf (where needed) the stem is 8, 9,, 10, 11, 12, 13, 14, 15, 16, 17. How do I also find the Frequency? Obviously, pretend you are talking to a three year old.
Inverse Normal Distribution
The method used for finding the corresponding z-critical value in a normal distribution using the known probability is said to be an inverse normal distribution. The inverse normal distribution is a continuous probability distribution with a family of two parameters.
Mean, Median, Mode
It is a descriptive summary of a data set. It can be defined by using some of the measures. The central tendencies do not provide information regarding individual data from the dataset. However, they give a summary of the data set. The central tendency or measure of central tendency is a central or typical value for a probability distribution.
Z-Scores
A z-score is a unit of measurement used in statistics to describe the position of a raw score in terms of its distance from the mean, measured with reference to standard deviation from the mean. Z-scores are useful in statistics because they allow comparison between two scores that belong to different normal distributions.
| Defects per 100 Vehicles (alphabetical by brand) | |||||
| Brand | Defects | Brand | Defects | Brand | Defects |
| Acura | 82 | Hyundai | 82 | Mini | 128 |
| Audi | 111 | Infiniti | 93 | Mitsubishi | 145 |
| BMW | 113 | Jaguar | 126 | Nissan | 111 |
| Buick | 114 | Jeep | 132 | Porsche | 90 |
| Cadillac | 111 | Kia | 128 | Ram | 110 |
| Chevrolet | 111 | Land Rover | 176 | Scion | 114 |
| Chrysler | 137 | Lexus | 87 | Subaru | 132 |
| Dodge | 125 | Lincoln | 93 | Toyota | 117 |
| Ford | 105 | Mazda | 114 | Volkswagen | 137 |
| GMC | 132 | Mercedes-Benz | 105 | Volvo | 94 |
| Honda | 108 | Mercury | 113 |
Construct a stem-and-leaf plot for the number of defects per 100 vehicles for these 32 brands.
Okay I've got the bin width 3.1
I'm lost on how to find the leaf (where needed) the stem is 8, 9,, 10, 11, 12, 13, 14, 15, 16, 17.
How do I also find the Frequency? Obviously, pretend you are talking to a three year old.
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