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
Statistics revision paper 3 £6.29
Add to cart
Quickly navigate to
Preview
  2.  
  3. PEARSON (PEARSON)
  4.  
  5. Mathematics
  6.  
  7. Statistics

Exam (elaborations)

Statistics revision paper 3
 1 view  0 purchase

Statistics revision paper 4 for HE diploma in CSM students. IT can be used as A levels practice notes and best for BTEC and exam practice. These are very rare notes.

Preview 1 out of 1  pages

Document information

  • January 15, 2023
  • 1
  • 2022/2023
  • Exam (elaborations)
  • Questions & answers

Subjects

  • statistics exam practice
  • statistics revision paper 3
  • he diploma in csm stat notes
  • btec statistics exam practice
  • a level statistics practice notes

Written for

All documents for this subject (46)

Seller

avatar-seller
Akhtar123

Content preview

STATISTICS - REVISION PAPER 3


Table 1 - distribution of results by students in an exam

Mark 0-20 21-35 36-49 50-65 66-84 85-100
Frequency 2 7 13 34 27 9

Table 2 – phone calls recorded in a company

Time (mins) 0-4 4-8 8-12 12-16 16-20
No. of calls 5 9 15 8 3

Table 3 - two different tests (x and y) are performed to find the impurity level of steel alloys using six
specimens

x 1.3 1.3 1.6 1.4 1.7 1.7
y 1.5 1.5 1.7 1.8 1.9 1.8


TASKS

1 Using the data in table 1 find the:
a) Mean
b) Variance
c) Standard deviation
2 Using the data in table 1 draw the cumulative frequency curve and find the:
a) Median
b) Lower quartile
c) Upper quartile
3 Using the data in table 2 construct a histogram and find the:
a) Mode
b) Median
4 Using the data in table 3 calculate the:
a) Product moment correlation coefficient
b) Rank correlation coefficient

ANSWERS (calculations given to 2 decimal places)

1a 60.66
b 346.77
c 18.62

2a 60
b 49
c 73

3a 9.85
b 9.6

4a 0.82
b 0.87

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 Akhtar123. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for £6.29. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

51056 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy revision notes and other study material for 15 years now

Start selling
£6.29
  • (0)
Add to cart
Added