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  2. 50% Off - Wikipedia

    en.wikipedia.org/wiki/50%_Off

    Sticky and Ron, two drug users who received Jimmy McGill's 50 percent off business card, go on a multi-day binge. They purchase numerous bags of cocaine from the Salamanca stash house but the bags get stuck in the drainpipe. The police arrive just before Domingo Molina dislodges the drugs. He is arrested and the police prepare to raid the house.

  3. Academic grading in the United States - Wikipedia

    en.wikipedia.org/wiki/Academic_grading_in_the...

    The top grade, A, is given here for performance that exceeds the mean by more than 1.5 standard deviations, a B for performance between 0.5 and 1.5 standard deviations above the mean, and so on. Regardless of the absolute performance of the students, the best score in the group receives a top grade and the worst score receives a failing grade.

  4. Confidence interval - Wikipedia

    en.wikipedia.org/wiki/Confidence_interval

    A confidence interval for the parameter , with confidence level or coefficient , is an interval determined by random variables and with the property: The number , whose typical value is close to but not greater than 1, is sometimes given in the form (or as a percentage ), where is a small positive number, often 0.05.

  5. Blood alcohol content - Wikipedia

    en.wikipedia.org/wiki/Blood_alcohol_content

    The mean values for 164 men and 156 women were 0.148 g/L/h and 0.156 g/L/h respectively. Although statistically significant, the difference between sexes is small compared to the overall uncertainty, so Jones recommends using the value 0.15 for the mean and the range 0.10 - 0.25 g/L/h for forensic purposes, for all subjects. [31]

  6. Academic grading in India - Wikipedia

    en.wikipedia.org/wiki/Academic_grading_in_India

    A student having 95% will be close to 3.9 on the GPA scale, as would a student with a 75% from a 70% cut-off-for-distinction institution. Grade-point average (2011 alternate version) [ edit ] In India, many universities and institutes rank their students in percentage of marks they get from the examinations and credits. [3]

  7. Grade (slope) - Wikipedia

    en.wikipedia.org/wiki/Grade_(slope)

    Grade (slope) The grade (US) or gradient (UK) (also called stepth, slope, incline, mainfall, pitch or rise) of a physical feature, landform or constructed line refers to the tangent of the angle of that surface to the horizontal. It is a special case of the slope, where zero indicates horizontality. A larger number indicates higher or steeper ...

  8. Coefficient of variation - Wikipedia

    en.wikipedia.org/wiki/Coefficient_of_variation

    In probability theory and statistics, the coefficient of variation ( CV ), also known as normalized root-mean-square deviation (NRMSD), percent RMS, and relative standard deviation ( RSD ), is a standardized measure of dispersion of a probability distribution or frequency distribution. It is defined as the ratio of the standard deviation to the ...

  9. Efficient energy use - Wikipedia

    en.wikipedia.org/wiki/Efficient_energy_use

    Tight building design, including energy-efficient windows, well-sealed doors, and additional thermal insulation of walls, basement slabs, and foundations can reduce heat loss by 25 to 50 percent. Dark roofs may become up to 39 °C (70 °F) hotter than the most reflective white surfaces. They transmit some of this additional heat inside the ...