DATA SCIENCE Lecture Notes - Lecture 1: Data Science, Microsoft Excel, Big Data

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mohdismail00715

26 Feb 2023

School

CHRIST (Deemed to be University)

Department

Business

Course

DATA SCIENCE

Professor

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Document Summary

Data science is a process of getting insights from your data using technology. Data scientists spend their time on the next step after data cleaning and visualization is building a model. Data scientists then deploy their model to production and then start collecting insight or start doing predictive analysis. Amazon uses data science to give you product recommendations the video recommendations on amazon prime it will use all your past data as well. I will give you a phone call and have a 15-minute conversation with you and we can discuss various topics. I can help you answer any questions on data science machine learning any career advice etc. 5 on windows for this go to python. org website on that click on downloads button. In python you can do all the basic mathematical operations in python using these operator signs. Python is a programming language where strings are used to store text data in python.

Related Questions

Robert is a high school junior who likes studying diseases and medicine but doesn't want to have direct patient contact. He's also very good at computer science and programming and wants to find a college major that combines his two interests. The phrase that describes the scientific discipline that is concerned with the cognitive, information-processing, and communication tasks of the healthcare practice, education, and research, including the information science and technology to support these tasks is:

(A) Health Informatics

(B) HIM

(D) Epidemiology

StewartRenee

QUESTION 1

Some workers are being paid above their pay range and then they get their wage rate frozen at their current rate of pay until salary scales catch up. What is this practice is called?
a.
green-circling
b.
red-circling
c.
merit pay reduction
d.
conservative pay reduction

1 points

QUESTION 2

Functional job analysis was pioneered in the United States in the 1930s and is the precursor to the Canadian National Occupational Classification system.

True

False

1 points

QUESTION 3

Which method of job analysis focuses on the behaviours that make up a job and uses job elements to describe work activities?
a.
Position Analysis Questionnaire
b.
Interviews
c.
Observation
d.
Functional Job Analysis

1 points

QUESTION 4

A job specification is summary of the duties, responsibilities, and reporting relationships pertaining to a particular job.

True

False

1 points

QUESTION 5

What is one problem with using the ranking/paired job evaluation method?
a.
It is time consuming.
b.
It is not acceptable to pay equity commissions.
c.
It is not acceptable to employment equity commissions.
d.
It cannot address external market equity.

1 points

QUESTION 6

What are the three main reasons for conducting job evaluations?
a.
to decrease wage costs, to create job families, and to create pay equity
b.
to control wage costs, to create equitable pay structures, and to create employment equity
c.
to control wage costs, to create equitable pay structures, and to create the perception of an equitable pay system among participants
d.
to increase wage costs, to create equitable pay structures, and to create pay equity

1 points

QUESTION 7

In 2018, Canada passed pay equity legislation that applies to all employers in Canada.

True

False

1 points

QUESTION 8

A job description is a summary of the employee qualifications required to perform the duties for a given job.

True

False

1 points

QUESTION 9

What is the major benefit for the ranking method of job analysis?
a.
It creates a series of grade descriptions.
b.
It creates a series of grade descriptions.
c.
It creates relative equal intervals between job classifications.
d.
It incorporates market data.

1 points

QUESTION 10

What occurs to the female job class if the percentage of secretaries in that job class changes from 95 percent to 30 percent?
a.
It becomes a new job class.
b.
It becomes a male job class.
c.
It remains a female job class.
d.
It becomes a gender neutral job class.

1 points

QUESTION 11

Why might using job descriptions for job evaluation purposes prove problematic?
a.
Companies simply do not keep wage rates updated.
b.
The dynamic nature of the general environment creates a situation whereby job duties change without human resources departments noticing it.
c.
Creating and maintaining job descriptions is not a laborious process.
d.
The output created by the job analysis process yields poor results.

1 points

QUESTION 12

What is a valid reason to re-evaluate jobs?
a.
A new member joins the committee.
b.
The compensation-level strategy changes.
c.
A new performance system is implemented.
d.
There is a high level of appeals.

1 points

QUESTION 13

What is the first step in most pay equity processes?
a.
analyze gender data
b.
determine what rules and laws apply
c.
review compensation
d.
analyze and compare jobs

1 points

QUESTION 14

Which term refers to an organization that gives an employee the ability to appeal a decision of the job evaluation committee?
a.
procedural justice
b.
distributional justice
c.
organizational justice
d.
grievance system

1 points

QUESTION 15

What is the observation method of job analysis well-suited for?
a.
jobs that have a short work cycle
b.
jobs with a long work cycle
c.
minimum wage jobs
d.
minimum wage jobs

1 points

QUESTION 16

Which term refers to the relative value of different jobs as determined by knowledgeable individuals?
a.
the proxy method
b.
PAQ analysis
c.
paired comparison method
d.
the ranking method

1 points

QUESTION 17

Once an organization has posted its pay equity plan, it has met its legal responsibility under the legislation and no further action is required.

True

False

1 points

QUESTION 18

Which job evaluation category uses human judgement as the determining factor?
a.
whole job
b.
factor comparison
c.
statistical/policy capturing
d.
point-factor management analysis

1 points

QUESTION 19

ABC Inc. is a new organization planning to launch a call centre in the next six months. You have been tasked with creating detailed job descriptions for several operational roles in the call centre. Which information collection method would you likely rely on to gather job information?
a.
utility analysis
b.
functional job analysis
c.
variable analysis
d.
data analysis

1 points

QUESTION 20

What is a primary problem of job analysis process?
a.
creating too many job families
b.
analyzing the jobholder not the job
c.
having a committee
d.
professional designations

odoug

Question
a. Orient Ghana Ltd is one of the major manufacturers of local textiles in Ghana. Suppose the government of Ghana totally bans the importations of foreign textiles and extends the Friday wear policy to all working days. Also suppose that Orient Ghana Ltd discovers the state-of-the-art technology that eases the production of local textiles. With the aid of appropriate diagram(s), explain the effect of these events on the equilibrium price and quantity of Orient local textiles.

b. Considering a Computer and a Microsoft Surface Laptop, which of these two will have more own-price elastic demand? Explain your answer.

c. One of the biggest causes of juvenile delinquency is the high rate of unemployment among tertiary students. The low wages offered by employers has given fewer teenagers the incentive to find long vacation jobs. Instead of working throughout the long vac, today’s teenagers slack off and cause trouble. To address this problem, the government has proposed to increase the minimum wage by 20 cedis a day. This will give teens the proper incentive to find meaningful employment when they are not in school. Will this policy
yield the intended outcome?

roadmanmba55

DATA SCIENCE Lecture Notes - Lecture 1: Data Science, Microsoft Excel, Big Data

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