100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
MATH 225N Week 2 Statistics Quiz (Answered) Latest 100% Verified, Chamberlain. $10.89   Add to cart

Exam (elaborations)

MATH 225N Week 2 Statistics Quiz (Answered) Latest 100% Verified, Chamberlain.

 12 views  0 purchase
  • Course
  • Math 225n
  • Institution
  • Math 225n

MATH 225N Week 2 Statistics Quiz (Answered) Latest 100% Verified, Chamberlain.

Preview 2 out of 8  pages

  • August 21, 2024
  • 8
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • Math 225n
  • Math 225n
avatar-seller
stuuviaa
0.1
0.3
0.2




Question
The frequency table below shows the ages of the students in a psychology lecture hall.
Complete the Relative Frequency column of the table. Enter answers as an unsimplified fraction.
4 Provide your answer below:
Age. 17 18 19 20 21 22
Frequency. 9 18 27 30 21 15
Relative Frequency



Don't know?




Terms in this set (25)

Question AgeFrequency
The frequency table below shows the ages RelativeFrequency
of the students in a psychology lecture hall. 1799120=0.075181818120=0.15192727120=0.225203030120=0.25212121120=0.175221515120=0.1
Complete the Relative Frequency column of 25
the table. Enter answers as an unsimplified
fraction.
Provide your answer below:
Age. 17 18 19 20 21 22
Frequency. 9 18 27 30 21 15
Relative Frequency



Question Dividing each frequency by the total number of data values gives the relative
The relative frequencies for a set of data are frequency. Multiplying the relative frequency by the total number of data values gives
shown in the table below. the frequency.
ValueRelative The data value 1 occurs with relative frequency 0.15 in a data set of 40 values, the
Frequency10.1520.3030.4540.10 frequency of the data value 1 is0.15(40)=6.
If there are a total of 40 data values, with The data value 1 occurs 6 times.
what frequency does the data value 1 occur?
Provide your answer below:

, Given the relative frequency table below, Answer Explanation
which of the following is the corresponding Correct answer:
cumulative relative frequency table? Value:2 3 4 5.
Value cuulative relative frequency: 0.23 0.56 0.8 1
Relative Frequency Remember that a cumulative frequency table adds the relative frequencies for the
2 previous entries in the table. For example, the entry for the value 4 is0.23+0.33+0.24=0.8
0.23
3
0.33
4
0.24
5
0.2
Select the correct answer below:
Value
Cumulative relative frequency
20.2330.5640.851
Value
Cumulative relative frequency
20.2330.4640.851
Value
Cumulative relative frequency
20.3330.5640.851
Value
Cumulative relative frequency
20.1330.5640.851

Question Lower Class LimitUpper Class LimitFrequency1647124131871924125304
As the manager of a store, you wish to
determine the amount of money that people
who visit this store are willing to spend on
impulse buys on products placed near the
checkout register. You sample twenty
individuals and records their responses.
Construct a frequency table for grouped
data using five classes.
8,18,15,10,29,4,15,2,4,9,16,14,13,8,25,25,27,1,15,24

To determine the class width, use the formula:
Question Max Value−Min ValueNumber of Classes=1439−8386≈100.17
William wishes to view a frequency table for Since the data values are integers, round up to the next integer, 101. The minimum value,
grouped data using his monthly credit card 838, is the lower class limit of the first class. To find all other lower class limits, add the
statements for the last 20 months, shown class width, 101. For example, the second lower class limit would be: 838+101=939.
below. Construct the table for William using The upper class limit for each row is one less than the lower class limit from the
six classes. following row. For example, the upper class limit for the first row is 939−1=938. You can
1184, 1247, 945, 1124, 1034, 1352, 1025, 1439, also add the class width to one upper class limit to get the upper class limit for the next
1136, 1439, 1368, 1057, 1130, 1259, 1256, 1381, row.
838, 1342, 842, 1395 Lower Class LimitUpper Class
LimitFrequency838938293910393104011404114112411124213424134314436

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 or Stuvia-credit 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 stuuviaa. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for $10.89. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

78998 documents were sold in the last 30 days

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

Start selling
$10.89
  • (0)
  Add to cart