POP QUIZ

1. 1standard deviation describes

   1. Athe spread of data
   2. Bthe median
   3. Cthe mean
   4. Dthe mode
2. 2normal distribution is also known as

   1. Athe tower curve
   2. Bthe wavy curve
   3. Cthe weird curve
   4. Dthe bell curve
3. 3Unimodal distribution is a distribution that has

   1. Aone frequency
   2. Bone tail
   3. Cone peak or mode
   4. Done thing being measured
4. 4A positively skewed distribution is one in which:

   1. Ais found on a BBQ
   2. Bhas chicken on it
   3. Cthe right (positive) tail of the distribution is the long one
   4. Dhe left (negative) tail of the distribution is the long one
5. 5It is not uncommon to obtain distributions that are skewed and multimodal

   1. AVerdadero
   2. BFalso
6. 6A “thin” normal distribution curve means that:

   1. Athat there is a wider spread of values about the mean, and the standard deviation is large
   2. Bmost values remain close to the average, and the standard deviation is small
7. 7When data has a ‘normal distribution’ as shown in the lovely ‘bell-shaped’ graph above, we can see that:

   1. Ajust over 66% of the data is within two standard deviations either side of the mean
   2. Bjust over 100% of the data is within two standard deviations either side of the mean
   3. Cjust over 99.7% of the data is within two standard deviations either side of the mean
   4. Djust over 95% of the data is within two standard deviations either side of the mean

Descripción

BTEC Maths Test sobre POP QUIZ, creado por johanne Brolly el 25/02/2021.

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johanne Brolly

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