Graphs
What kind of chart is best for showing trends over time?
Line graph
What is the probability of drawing an Ace from a standard deck of cards?
4/52=1/13
What term is used for the most frequently occurring value in a data set?
Mode
What is the file extension used by Excel when saving a spreadsheet in the default format?
.xlsx
In machine learning, what is the statistical term for the difference between predicted values and actual values?
Error
What is the name of a graph showing the cumulative total of frequencies?
Ogive
If one event occurs, another event cannot happen, i.e., the events that cannot occur simultaneously are called as?
Mutually exclusive events
What is the measure of spread that represents the average of the squared differences from the mean?
Variance
What does the file extension .csv stand for in Excel?
Comma-Separated Values
Which machine learning algorithm is used for grouping similar data points together in clusters?
K-Means Clustering
What is the statistical term for a diagram showing quartiles and outliers?
Boxplot
If ‘m’ is the mean of a Poisson Distribution, then variance is given by ___________?
m
Which statistical measure is used to describe the relationship between two variables, showing the strength and direction of their linear association?
Correlation
Which software is known for its integration with data visualization, machine learning, and business analytics tools, often used for creating reports and dashboards?
Tableau
Which machine learning algorithm is used for classifying data into two categories, such as "spam" or "not spam"?
Logistic Regression
What is the name of the visualization that uses circles to represent data relationships, often overlapping?
Venn diagram
What is the area under a conditional Cumulative density function?
1
What is the kurtosis value for a normal distribution?
3
What is a library in Python used for data analysis and manipulation?
Pandas
What type of machine learning model learns from labeled data, where both inputs and outputs are provided?
Supervised Learning
What is the name of the region in an LPP graph that satisfies all constraints?
Feasible region
The probability of randomly selecting a rotten apple is 0.18 from the heap of 900 apples. So, what is the number of rotten apples in a heap?
162
What term describes a distribution with a kurtosis less than 3, indicating a flatter shape with lighter tails?
Platykurtic
What is the name of IBM’s popular statistical software package?
SPSS
Which machine learning model is used for classifying images, often used in tasks like handwriting recognition?
Convolutional Neural Networks (CNN)