Presentation
Edexcel as level chapter 7 hypothesis testing powerpoint
- Course
- Institution
- Book
Powerpoint presentation of key definitions and explanations of the chapter 7 hypothesis testing
[Show more]
Connected book
Book Title:
Author(s):
- Edition:
- ISBN:
- Edition:
More summaries for
-
Notes on Year One Mechanics - Edexcel, Pearson (2017)
-
Notes on Year One Statistics - Pearson, Edexcel (2017)
-
As level Edexcel chapter 6 statistical distribution
Seller
Follow
roberguay625
Content preview
Statisticsypothesis Testing
Twitter: @Owen134866
www.mathsfreeresourcelibrary.com
, Prior Knowledge Check
1) . Calculate: 2) Wanda rolls a fair dice
eight times.
a) b)
0.075 0.117 a) Suggest a suitable model
for the random variable ,
c) d) the number of times the
0.0036 0.00000504 dice lands on 5
1
( )
𝑋 𝐵 8,
6
b) Calculate:
i) ii)
0.260 0.0307
,Teachings for
Exercise 7A
, Hypothesis Testing
Hypothesis
A Hypothesis is a statement made A hypothesis is a statement made about a population
about the value of a population parameter
parameter. You can test a
hypothesis to see if there is
enough evidence to change it Null Hypothesis
The ‘default’ position which we usually initially assume
This chapter is all about testing to be true
For rolling a dice and getting a 6, then
statistically whether statements are
true or not
Alternative Hypothesis
There are several key terms you This hypothesis tells us about the parameter/situation
if our null hypothesis turns out to be incorrect
need to know…
For rolling a dice and getting a 6, then
Population parameter
A population parameter is a statistical Test statistic
measure relating to a population A test statistic is the result of the experiment we
For example, the mean is a population are using, which we use to test
parameter If we tossed a coin 4 times and got 3 heads then
that value/proportion is the test statistic
7A
The benefits of buying summaries with Stuvia:
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
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
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 roberguay625. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $4.02. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
77254 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now