📊 statistics

1. **State the problem:** We want to find the number of new mobile phone subscribers by 2025 for all regions excluding APAC and MENA, assuming current growth rates continue. 2. **I

1. ปัญหาคือการหาค่าเดไซล์ที่ 7 (D7) ของชุดข้อมูล 5, 10, 15, 20, 25, 30, 35, 40, 45, 50 2. เดไซล์ที่ 7 หมายถึงตำแหน่งที่ 70% ของข้อมูลเมื่อเรียงลำดับจากน้อยไปมาก

1. ปัญหาคือการหาค่าควอร์ไทล์ที่ 3 (Q3) ของชุดข้อมูล 5, 10, 15, 20, 25, 30, 35, 40, 45, 50 2. ค่าควอร์ไทล์ที่ 3 คือค่าที่แบ่งข้อมูลออกเป็น 75% ด้านล่างและ 25% ด้านบน

1. **Stating the problem:** We have data of 10 TNI soldiers with their monthly income (Pendapatan) and consumption (Konsumsi) in million rupiahs. We want to analyze the relationshi

1. **State the problem:** We have the number of mobile phones sold in 30 shops and need to construct a frequency distribution table with class intervals, draw histogram, frequency

1. **State the problem:** We have hourly rates of 10 high schoolers' part-time jobs and need to find mean, median, and mode for the original data and then after removing the high s

1. **Problem 1 (a) and (b):** Given the bar chart with classes and number of students:

1. **State the problem:** We have timing belt lifespans with some censored data (8+ means the belt lasted at least 8 years but exact failure time is unknown). 2. **Data given:** Li

1. **Problem Statement:** We are given a set of data with grouped frequency distribution and some calculations for variance and standard deviation. We need to verify the calculatio

1. **State the problem:** We are given monthly data for a stock including Volume, Traded Value, Trades, and Closing Price for 10 months. We need to answer 6 quantitative questions

1. **Find the range, sample standard deviation, and variance of Jose's correct answers on 8 worksheets.** Given data: Correct answers = $\{4,8,6,5,2,15,9,7\}$

1. **Problem statement:** We have a normally distributed variable $X$ representing the number of days per year with sulfur dioxide emissions above the legal limit. The mean is $\mu

1. **Problem Statement:** Calculate the mean, median, mode, variance, and standard deviation for the given frequency distribution of passengers (in millions) handled by 20 airports

1. The problem is to understand how to estimate the mean of a data set. 2. The mean (or average) is a measure of central tendency that summarizes the data with a single value.

1. The problem asks to recalculate everything using the mean value 31.32. 2. To proceed, identify the original calculations or formulas where the mean was used.

1. The problem states that the mean is 31.32. 2. The mean (or average) is calculated as the sum of all values divided by the number of values.

1. **State the problem:** We have 25 incubation periods (in hours) from a foodborne disease outbreak: 18, 20, 22, 22, 24, 24, 25, 26, 26, 27, 28, 28, 29, 30, 30, 31, 32, 33, 35, 36

1. **State the problem:** Meryl wants to estimate the population mean number of photos Instagram users have, based on a sample of 80 users with a sample mean of 120 photos and a kn

1. **State the problem:** We are given test marks of 15 students with total sum $\sum x = 820$ and standard deviation $\sigma = 6.3$. We need to find: (i) $\sum (x - 53)$

1. **State the problem:** We have test marks $x$ of 15 students with $\sum x = 820$ and standard deviation $\sigma = 6.3$. We need to find: (i) $\sum (x - 53)$

1. **Problem statement:** We have 5 measurements of a ball bearing diameter: 8.1, 9.1, 8.9, 8.9, 9.1 mm. The true diameter is 9.0 mm.