100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
Previously searched by you
Previously searched by you
logo
Summary regression, correlation and hypothesis testing £10.16
Add to cart
Quickly navigate to
Preview
  2.  
  3. PEARSON (PEARSON)
  4.  
  5. Mathematics
  6.  
  7. Statistics

Summary

Summary regression, correlation and hypothesis testing
 9 views  0 purchase

Comprehensive A-level statistics notes, featuring clear explanations, practical examples, key formulas, visual aids, and concise summaries of essential concepts.

Preview 2 out of 5  pages

Document information

  • July 26, 2024
  • 5
  • 2023/2024
  • Summary

Subjects

Written for

All documents for this subject (45)

Seller

avatar-seller
racheal1

Content preview

Regression correlation and Hypothesis testing

The regression bit is the act of setting the parameters of our model here the
gradient and the Y intercept of the line of best fit to best explain the data

Extrapolation making predictions outside the original data range
this is unreliable as the trendmay not continue outside the given range

Linear regression a be
y
Exponential regression ab
y
logy logab
logy logatlogb
logy logatoclogb



O

a 0.2215 0.07920C
y E O X

0.2215
y
109g
0.2215
0.2215
10
g
0.60 12dp 70
9
Sothere is a
growing colony at
E O



bl girl
109g 0.2215 0.0792 t
0.2215 0.0792
10
g

, g
t
0792
100
0.2215
10 go.org
g
0.6 1.2
9
K OG 6 1.2




2 0.32
yP 2 0.34
log
0.3 E
P 102 3 E
P 102 100
P 100 1.995
K 100 6 1.995


Hypothesis testing for correlation
r is the PMC of a sample
P is the PMCC of the whole population




no



null hypothesis will always be

Ho p o
data sheet we get our
Hy p o using valve
significant
Sample size 10 O 4428
r 0.21

The benefits of buying summaries with Stuvia:

Guaranteed quality through customer reviews

Guaranteed quality through customer reviews

Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.

Quick and easy check-out

Quick and easy check-out

You can quickly pay through credit card for the summaries. There is no membership needed.

Focus on what matters

Focus on what matters

Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!

Frequently asked questions

What do I get when I buy this document?

You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.

Satisfaction guarantee: how does it work?

Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.

Who am I buying these notes from?

Stuvia is a marketplace, so you are not buying this document from us, but from seller racheal1. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for £10.16. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

53068 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy revision notes and other study material for 14 years now

Start selling
£10.16
  • (0)
Add to cart
Added