Using your calculator Using Ran# Using Ranint Finding Standard Deviation Finding Correlation Coefficient END.

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Presentation transcript:

Using your calculator Using Ran# Using Ranint Finding Standard Deviation Finding Correlation Coefficient END

Random Sampling using Ran# The Ran#: Generates a pseudo random number to 3 decimal places that is less than 1. i.e. it generates a random number in the range [0, 1] Ran# is in Yellow END

Random Sampling using Ran# END

To keep generating a random 3 digit number between [0,1] we repeatedly press = Random Sampling using Ran# END

Random Sampling using Ran# END

The calculator automatically displays in Natural display. If we are generating lots of numbers this may become annoying. We need to Set UP the calculator into Line ar Display (as a single line …Decimals) Random Sampling using Ran# END

Random Sampling using Ran# END

We want it Line ar Random Sampling using Ran# END

We want a random number again Random Sampling using Ran# END

Random Sampling using Ran# END

To keep generating a random 3 digit number between [0,1] we repeatedly press = Random Sampling using Ran# END

Random Sampling using Ran# END

Random Sampling using Ran# END

Using Ran# to generate a random whole number within a given interval [1,200] If we multiply the randomly generated number by 199 then 199 x [0, 1] = [0, 199] To get it between 1 and 200 we must add x [0, 1] + 1 = [1, 200] But we must first SET UP the calculator to Fix to 0 decimal place END

Random Sampling using Ran# for an interval [1,200] END But we must first SET UP the calculator to Fix to 0 decimal place

Random Sampling using Ran# for an interval [1,200]

But we must first SET UP the calculator to Fix to 0 decimal place

Random Sampling using Ran# for an interval [1,200] But we must first SET UP the calculator to Fix to 0 decimal place

The calculator tells us it has been SET UP To Fix We now need to tell it what we want 199 x [0, 1] + 1 Random Sampling using Ran# for an interval [1,200]

END

Random Sampling using Ran# for an interval [1,200] END

Random Sampling using Ran# for an interval [1,200] END

Random Sampling using Ran# for an interval [1,200] END

Random Sampling using Ran# for an interval [1,200] END

Random Sampling using Ran# for an interval [1,200] END

Random Sampling using Ran# for an interval [1,200]

END

Random Sampling using Ran# for an interval [1,200] END

Random Sampling using Ran# for an interval [1,200] END

Using your calculator Using Ran# Using Ranint Finding Standard Deviation Finding Correlation Coefficient END

Random Sampling using Ranint for an interval [1,200]

Ranint is in Red END Random Sampling using Ranint for an interval [1,200]

END Random Sampling using Ranint for an interval [1,200]

We want our interval to be [1,200] END Random Sampling using Ranint for an interval [1,200]

The comma is here in yellow END Random Sampling using Ranint for an interval [1,200]

The comma is here in yellow END Random Sampling using Ranint for an interval [1,200]

END Random Sampling using Ranint for an interval [1,200]

END Random Sampling using Ranint for an interval [1,200]

END Random Sampling using Ranint for an interval [1,200]

The bracket is here END Random Sampling using Ranint for an interval [1,200]

To keep generating a random 3 digit number between [1,200] we repeatedly press = END Random Sampling using Ranint for an interval [1,200]

END Random Sampling using Ranint for an interval [1,200]

END Random Sampling using Ranint for an interval [1,200]

Using your calculator Using Ran# Using Ranint Finding Standard Deviation Finding Correlation Coefficient END

Find the Standard Deviation of 6,5,5,4,5,5,6,5 and 4 We first need to make sure the calculator is clear of all previous content Finding Standard Deviation END

Find the Standard Deviation of 6,5,5,4,5,5,6,5 and 4 We first need to make sure the calculator is clear of all previous content Finding Standard Deviation END

Find the Standard Deviation of 6,5,5,4,5,5,6,5 and 4 We want to clear ALL Finding Standard Deviation END

Find the Standard Deviation of 6,5,5,4,5,5,6,5 and 4 Yes reset all Finding Standard Deviation END

Find the Standard Deviation of 6,5,5,4,5,5,6,5 and 4 We really do agree AC Finding Standard Deviation END

Find the Standard Deviation of 6,5,5,4,5,5,6,5 and 4 We want the calculator in STATS mode Finding Standard Deviation END

Find the Standard Deviation of 6,5,5,4,5,5,6,5 and 4 We want the calculator in STATS mode Finding Standard Deviation END

Find the Standard Deviation of 6,5,5,4,5,5,6,5 and 4 We only have 1 variable Finding Standard Deviation END

Find the Standard Deviation of 6,5,5,4,5,5,6,5 and 4 We now input our data pressing = after each term Finding Standard Deviation END

Find the Standard Deviation of 6,5,5,4,5,5,6,5 and 4 Finding Standard Deviation END

Find the Standard Deviation of 6,5,5,4,5,5,6,5 and 4 Finding Standard Deviation END

Find the Standard Deviation of 6,5,5,4,5,5,6,5 and 4 Finding Standard Deviation END

Find the Standard Deviation of 6,5,5,4,5,5,6,5 and 4 Repeat this process until the data is entered Finding Standard Deviation END

Find the Standard Deviation of 6,5,5,4,5,5,6,5 and 4 We have finished inputting the data. We now need to get to where we can analyse it Press AC Finding Standard Deviation END

Find the Standard Deviation of 6,5,5,4,5,5,6,5 and 4 We need to analyse the STATS we have input Finding Standard Deviation END

Find the Standard Deviation of 6,5,5,4,5,5,6,5 and 4 Finding Standard Deviation We need to analyse the STATS we have input END

Find the Standard Deviation of 6,5,5,4,5,5,6,5 and 4 Finding Standard Deviation We want to see the Var iance END

Find the Standard Deviation of 6,5,5,4,5,5,6,5 and 4 We want the standard Deviation σx Finding Standard Deviation END

Find the Standard Deviation of 6,5,5,4,5,5,6,5 and 4 Finding Standard Deviation END

Find the Standard Deviation of 6,5,5,4,5,5,6,5 and 4 This is the standard deviation of the data set To see more analysis details, analyse the data again Finding Standard Deviation END

Using your calculator Using Ran# Using Ranint Finding Standard Deviation Finding Correlation Coefficient END

Find the Correlation Coefficient for the following data We first need to make sure the calculator is CL ea R of all previous content Rainfall (x cm) No. of tourists (1000’s Finding Correlation Coefficient END

Rainfall (x cm) No. of tourists (1000’s Finding Correlation Coefficient END We first need to make sure the calculator is CL ea R of all previous content

We want to clear All Rainfall (x cm) No. of tourists (1000’s Finding Correlation Coefficient END

Yes Reset all Rainfall (x cm) No. of tourists (1000’s Finding Correlation Coefficient END

Rainfall (x cm) No. of tourists (1000’s We really do agree AC Finding Correlation Coefficient END

We want the calculator in STATS mode Rainfall (x cm) No. of tourists (1000’s Finding Correlation Coefficient END

Rainfall (x cm) No. of tourists (1000’s We want the calculator in STATS mode Finding Correlation Coefficient END

We have 2 variables Rainfall (x cm) No. of tourists (1000’s Finding Correlation Coefficient END

We now input the first row of the data into the first column of the table pressing = after each term Useful to write the numbers 1,2,3,… above each row so as we can check we are correct Rainfall (x cm) No. of tourists (1000’s Finding Correlation Coefficient END

Rainfall (x cm) No. of tourists (1000’s Finding Correlation Coefficient END

Rainfall (x cm) No. of tourists (1000’s Finding Correlation Coefficient END

Rainfall (x cm) No. of tourists (1000’s Finding Correlation Coefficient END

Rainfall (x cm) No. of tourists (1000’s Finding Correlation Coefficient END

Rainfall (x cm) No. of tourists (1000’s Finding Correlation Coefficient END

Rainfall (x cm) No. of tourists (1000’s Finding Correlation Coefficient END

Rainfall (x cm) No. of tourists (1000’s Finding Correlation Coefficient END

Rainfall (x cm) No. of tourists (1000’s Repeat this process until the first row has been entered Finding Correlation Coefficient END

Use the cursor keys to enter the data from the second row Rainfall (x cm) No. of tourists (1000’s Finding Correlation Coefficient END

Rainfall (x cm) No. of tourists (1000’s Press the right cursor Finding Correlation Coefficient END

Rainfall (x cm) No. of tourists (1000’s Finding Correlation Coefficient END

Rainfall (x cm) No. of tourists (1000’s Input the data from the second row Finding Correlation Coefficient END

Rainfall (x cm) No. of tourists (1000’s We have finished inputting the data. We now need to analyse the STATS Press AC Finding Correlation Coefficient END

We need to analyse the STATS we have input Rainfall (x cm) No. of tourists (1000’s Finding Correlation Coefficient END

Rainfall (x cm) No. of tourists (1000’s Finding Correlation Coefficient We need to analyse the STATS we have input END

Rainfall (x cm) No. of tourists (1000’s Finding Correlation Coefficient We want use Reg ression END

Rainfall (x cm) No. of tourists (1000’s We want the Correlation Coefficient r Finding Correlation Coefficient END

Rainfall (x cm) No. of tourists (1000’s Press = Finding Correlation Coefficient END

We have the Correlation Coefficient of the data To see more analysis details analyse the STAT Rainfall (x cm) No. of tourists (1000’s Finding Correlation Coefficient END

The line of Best Fit The calculator uses y = A + Bx Instead of y = mx + c 1: A → the y intercept 2: B → the Slope END

Using your calculator Using Ran# Using Ranint Finding Standard Deviation Finding Correlation Coefficient END