📊 statistics

1. **بيان المسألة:** لدينا قيم البيانات التالية: 20، 30، 50، 60، 70، 80.

1. The problem is about finding the median of a set of numbers arranged in ascending order. 2. The median is the middle value when the numbers are sorted.

1. The problem is to find the number that has the highest chance of appearing from the given list: (75, 89, 89, 62, 62, 40, 40, 67, 67, 43, 43, 80, 80). 2. To solve this, we need t

1. **State the problem:** We want to determine if there is a significant difference between the performance of males and females in Math based on the given paired data. 2. **Hypoth

1. **State the problem:** Determine whether there is a significant difference between the performance of males and females in Math using hypothesis testing. 2. **State the hypothes

1. **Problem:** Determine if there is a significant difference between the performance of males and females in Math using hypothesis testing. 2. **Step 1: State the hypotheses.**

1. **Problem Statement:** Determine whether the new treatment is comparatively superior to the conventional treatment based on the given data: | Treatment | Favourable | Non Fav

1. **Stating the problem:** We want to understand the concepts of variance and coefficient of variance, which are important statistical measures. 2. **Variance:** Variance measures

1. The problem is to find the average (mean) of the given numbers: 85, 79, 82, 78, 65, 43, 66, 69, 80, 91, 40, 79, 81, 70, 55, 60, 71, 50, 77, 75, 74, 74, 80. 2. The formula for th

1. The problem is to find the average (mean) of the given numbers: 89, 77, 79, 71, 65, 71, 67, 67, 76, 92, 40, 74, 79, 66, 53, 75, 83, 50, 67, 66, 65, 74, 80. 2. The formula for th

1. **Problem:** Which of the following can be obtained from any box-and-whisker diagram? Options: A. Mean, B. Mode, C. Standard deviation, D. Inter-quartile range. 2. **Explanation

1. **Problem Statement:** Find the mean of the data set $12, 12, b+4, b-5, 17, 10, 9$ given that the mean is 11. Then find the mode of the data after determining $b$.

1. The problem asks: By which of the following is data expressed in statistics? 2. Let's analyze each option:

1. **State the problem:** We have 8 players each shooting 2 free throws. We want to find the relative frequency distribution of the number of free throws made by each player. 2. **

1. **Problem Statement:** A researcher measures hormone X levels in three groups: acute schizophrenics (n1=5), chronic schizophrenics (n2=6), and normal controls (n3=7). We want to

1. The problem provides data of doses of NPK 13:6:27 fertilizer (Kg per tree) for different varieties and repetitions. 2. To analyze or model this data, one might want to find rela

1. **Stating the problem:** We have a dataset of yields for different varieties and doses of NPK fertilizer. We want to perform an ANOVA (Analysis of Variance) to determine if ther

1. Problem: Complete the charts by finding missing percents or angles, ensuring percents total 100% and angles total 360° for each survey. 2. Formula: Use the relationship between

1. **Problem Statement:** Test whether the number of arrivals per unit time at the hospital follows a Poisson distribution using the chi-square goodness of fit test at 5% significa

1. **Problem Statement:** Calculate the mean of the quiz scores for Bee. 2. **Formula for Mean:**

1. **Problem Statement:** Test whether the number of arrivals per unit time at the hospital follows a Poisson distribution using the given observed frequencies and a 5% level of si