Question

Does anyone know of an online calculator i could use on this example?

Answer 1

@phi @satellite73 Can you help?

Answer 2

wolfram

Answer 3

web2calc

Answer 4

can you show me how to set it up on wolfram?

Answer 5

http://www.wolframalpha.com/input/?i=fit+%7B+%7B20%2C99%7D%2C+%7B30%2C96%7D%2C+%7B40%2C90%7D%2C+%7B50%2C85%7D%2C+%7B60%2C70%7D%7D

Answer 6

or
http://www.wolframalpha.com/input/?i=linear+fit+%7B+%7B20%2C99%7D%2C+%7B30%2C96%7D%2C+%7B40%2C90%7D%2C+%7B50%2C85%7D%2C+%7B60%2C70%7D%7D

for just a linear fit

Answer 7

@phi ok But how about the standard error and point estimate?

Answer 8

which pc are you using??