Original post by leoishush
Can someone please explain the significance levels? For b and c they give the same reason for rejecting the null hypothesis but i thought for c you should reject null hypothesis
Error in the solution for (b). Should be - reject .
(edited 1 year ago)
Original post by ghostwalker
Error in the solution for (b). Should be - reject .
is this right then?
Original post by leoishush
is this right then?
is this right then?
Yes.
Original post by ghostwalker
Yes.
I still dont get why is the p value is less than the significance level u reject null, pls explain
Original post by leoishush
I still dont get why is the p value is less than the significance level u reject null, pls explain
There should be decent explanations in your textbooks, but cobbling something together off the top of my head (so hope it's reasonable):
The p-value is the probability of the test statistic taking the value it does or something more extreme, given the null hypothesis is true.
So, if for example, if the p-value was 0.4, then the chances of getting the given value of something more extreme is 40%, i.e. it's not unusual, given .
If the p-value was 0.01, then the chances of getitng that value or something more extreme is 1%. I.e. it's very unlikely this would occur given .
The smaller the p-value, the more unlikely it is the test statistic will take the given value or something more extreme, or putting it another way, the smaller the p-value the more significant it is.
So, if you set the significance level to 5% say, then if you get a p-value less than that, it's saying it's more significant, or less likely to occur given , so reject .
(edited 1 year ago)
Quick Reply
Related discussions
- Learning a 2nd language
- How to answer "explore the significance of..." in Othello
- Binomial hypothesis test question
- A Level History Coursework Help
- Worried about studying Chemistry at UNI
- Chemical engineering maths help
- Biology AQA A Level
- GCSE
- Central Limit Theorem: How do you calculate the test statistic?
- How to cope with your hard work not paying off?
- a level maths hypothesis testing q
- Inquiry about Student Finance England
- History A level,OCR- Pitt to Peel,Russia
- What i should do with my A-level subjects
- Edexcel Alevel Politics
- Is this a good response for AQA English GCSE
- AS Level stats help!!
- Maths please help (Statistics Normal Distrubution)
- Physics A-Level
- Am I able to apply for a good uni? Will I be able to raise my grades?
Latest
Trending
Last reply 4 days ago
Did Cambridge maths students find maths and further maths a level very easy?Last reply 2 weeks ago
Edexcel A Level Mathematics Paper 2 unofficial mark scheme correct me if wrongMaths
71
Trending
Last reply 4 days ago
Did Cambridge maths students find maths and further maths a level very easy?Last reply 2 weeks ago
Edexcel A Level Mathematics Paper 2 unofficial mark scheme correct me if wrongMaths
71
