Explore Data

Introduction

we use the data from ….. I propose the following questions based on my own understanding of the data.

-1. What is the mean of the tempatures in the city of SanFrancisco?

-2. What is the median of the tempatures in the city of SanFrancisco?

-3. What is the variance of the tempatures in the city of SanFrancisco?

-4. What is the standard deviation of the tempatures in the city of SanFrancisco?

-5. What is the mean of the tempatures in the city of DesMoines?

-6. What is the median of the tempatures in the city of DesMoines?

-7. What is the variance of the tempatures in the city of DesMoines?

-8. What is the standard deviation of the tempatures in the city of DesMoines?

-9. What is the correlation between the tempatures in SanFrancisco and DesMoines

-10. What is the distrabution of the tempatures in the city of SanFrancisco?

Analysis

We will explore the questions in detail.

blank = read.csv("https://www.lock5stat.com/datasets3e/April14Temps.csv")
head(blank)

##   Year DesMoines SanFrancisco
## 1 1995      56.0         51.0
## 2 1996      37.5         55.3
## 3 1997      37.2         55.7
## 4 1998      56.0         48.7
## 5 1999      54.3         56.2
## 6 2000      63.3         57.2

Q1: What is the mean of the tempatures in the city of SanFrancisco?

mean(blank$SanFrancisco, na.rm = TRUE)

## [1] 54.248

The mean of temp in SanFracisco is 54.2483

Q2: What is the median of the tempatures in the city of SanFrancisco?

median(blank$SanFrancisco, na.rm = TRUE)

## [1] 54.2

The median of temp in SanFrancisco is 54.2

Q3: What is the variance of the tempatures in the city of SanFrancisco?

var(blank$SanFrancisco, na.rm = TRUE)

## [1] 9.3701

The variance of the temp in SanFrancisco is 9.3701

Q4: What is the standard deviation of the tempatures in the city of SanFrancisco?

sd(blank$SanFrancisco, na.rm = TRUE)

## [1] 3.061062

The standard deviation of the temp in SanFrancisco is 3.061062

Q5: What is the mean of the tempatures in the city of DesMoines?

mean(blank$DesMoines, na.rm = TRUE)

## [1] 53.732

The mean of temp in DesMoines is 53.732

Q6: What is the median of the tempatures in the city of DesMoines?

median(blank$DesMoines, na.rm = TRUE)

## [1] 54.7

The median of temp in DesMoines is 54.7

Q7: What is the variance of the tempatures in the city of DesMoines?

var(blank$DesMoines, na.rm = TRUE)

## [1] 125.0114

The variance of temp in DesMoines is 125.0114

Q8: What is the standard deviation of the tempatures in the city of DesMoines?

sd(blank$DesMoines, na.rm = TRUE)

## [1] 11.18085

The standard deviation of temp in DesMoines is 11.18085

Q9: What is the correlation between the tempatures in SanFrancisco and DesMoines

cor(blank$SanFrancisco, blank$DesMoines, use = "everything")

## [1] -0.02844925

The correlation between the temps of SnaFrancisco and DesMoines is -0.02844925

Q10: What is the distrabution of the tempatures in the city of SanFrancisco?

hist(blank$SanFrancisco, main = "Histogram of Temp in SanFrancisco", xlab = "Temp", col = "blue")

Summary