shakeel.grd

group dynamics theory

What are the possible variables that influence memory accuracy?

Why red is the first color in rainbow?

Calculate the variance and standard deviation for the following sample set of data. (Do not round intermediate calculations. Round your final answers to the nearest tenth.)

79.8, 81.8, 50.8, 43.4, 73.4, 42.8

Variance

Standard deviation

Assume the market demand for wheat may be written as Q = 45 - 2p + 0.3Y + 1pb, where Y refers to income and pb refers to the price of barley. Assuming that wheat and barley both sell for $1, and income is $20, calculate the price elasticity, cross price elasticity and income elasticity for wheat

Jim Smith, a marketing student, observed how much each customer spent in a local convenience store.

$7.05

$17.86

$13.68

$19.82

18.75

6.22

11.15

5.36

6.46

20.79

19.23

3.61

10.58

15.05

 Based on the above results, prepare a frequency distribution.

Intervals

Frequency

$0 - $5.99

$6.00 – 11.99

$12.00 - $17.99

$18.00 - $23.99