Statistical Methods for Geography (Continued) 10. Find (5) 11. Use the following table of commuting flows to determine the total number of commuters leaving each zone and the total number entering each zone. Also find the total number of commuters. For each answer, also give the correct notation, assuming y, denotes the number of commuters who leave origin i to go to destination zone j. Destination zone Origin zone 2. 3. 4. 32 25 1. 14 14 33 2. 15 27 6. 3. 12 4. 20 40 12. The following data represent stream link lengths in a river network: 100, 426, 322, 466, 112, 155, 388, 1155, 234, 324, 556, 221, 18, 133, 177, 441. Find the mean and standard deviation of the link lengths. 13. For the following annual rainfall data, find the grouped mean and the grouped variance. Number of years observed Rainfall < 20" 5. 20-29.9" 12 30-39.9" 11 40-49.9" (a) 3.

Q: Question 5 > 2 Solve æ? + 13x + 36 = 0 X = x = {

A: Given equation is x2+13x+36=0we know that  roots of the quadratic equation ax2+bx+c=0 is…

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A: Here we will solve the given equations,

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A:

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A:

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A:

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A:

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A:

Q: Does the solution it address the three additional people drawing?

A: It is related to binomial probability : P(X=x) = nCx*px*qx    p= 12/52 = 0.23 q= 1-(12/52) = 0.77

Percentage

A percentage is a number indicated as a fraction of 100. It is a dimensionless number often expressed using the symbol %.

Algebraic Expressions

In mathematics, an algebraic expression consists of constant(s), variable(s), and mathematical operators. It is made up of terms.

Numbers

Numbers are some measures used for counting. They can be compared one with another to know its position in the number line and determine which one is greater or lesser than the other.

Subtraction

Before we begin to understand the subtraction of algebraic expressions, we need to list out a few things that form the basis of algebra.

Addition

Before we begin to understand the addition of algebraic expressions, we need to list out a few things that form the basis of algebra.