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Home Question Bank Math Statistics Archive 2024 November 28

Statistics Questions from Nov 28,2024

Browse the Statistics Q&A Archive for Nov 28,2024, featuring a collection of homework questions and answers from this day. Find detailed solutions to enhance your understanding.

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Bila diberikan sebuah sebaran normal dengan \( \mu=40 \) dan \( \sigma=6 \), hitunglah: a. Luas daerah di bawah 32 b. Luas daerah di atas 27 c: Luas daerah di antara 42 dan 51 d. Nilai \( x \) yang luas daerah di bawahnya \( 45 \% \) e. Nilai x yang luas daerah di atasnya \( 13 \% \) (iii) Using the empirical rule, or otherwise, estimate the percentage of students in the class who scored between 52 and 82 in the English test. Mean \( =72 \quad \) shandard devionon \( =10 \) Calculate the \( 3^{3 \mathrm{~d}} \) quartile, \( 6^{\mathrm{th}} \) decile and \( 70^{\text {th }} \) perecntile for the following date \( 28,17,12,25,26,19,13,27,21,16 \) Find \( \mathrm{O}_{1}, \mathrm{D}_{2} \) and \( \mathrm{P}_{55} \) from the given data: \( 6,8,5,10,4,15,16,3 \) - Vainilla: 25 helados - Chocolate: 30 helados - Limilla: 15 helados 10 helados 5. Construye una tabla de frecuencia 6. ¿Cuál fue el sabor más vendido? Chocolate 7. Calcula la frecuencia relativa de cada sabor 8. Representa los datos en un gráfico de barras. Vainilla: 25 helados Chocolate: 30 helados Frutilla: 15 helados 5. Construye una tabla de frecuencia En una tienda de helados, se registraron las ventas de distintos sabores durante una semana: Vainilla: 25 helados - Chocolate: 30 helados Frutilla: 15 helados - Limón: 10 helados 5. Construye una tabla de frecuencia 6. ¿Cuál fue el sabor más vendido? Chocol Ate 7. Calcula la frecuencia relativa de cada sabor 8. Representa los datos en un gráfico de barras. Find \( \bar{x} \) \( \frac{\bar{x}-87.3}{\frac{12}{\sqrt{100}}}=-2.26 \) Calculate the \( 3^{\text {rd }} \) quartile, \( 6^{\text {in }} \) decile and \( 70^{\text {th }} \) perecntile for the following ina. \( 28,17,12,25,26,19,13,27,21,16 \) \( \begin{array}{ll}\text { (a) } 50,40,55,60,61,70,49 & \text { (b) } 18,20,17,24,19,21,23 \\ \text { (c) } 32,40,21,55,26,50,20 & \text { Calculate } \mathrm{Q}_{1}, \mathrm{Q}_{3}, \mathrm{D}_{3}, \mathrm{D}_{6} \text { and } \mathrm{D}_{8} \text { for the given data: } 14,7,13,12,17,8,10,6,15 \\ \begin{array}{ll}\text { (a) } \\ \text { (b) Calculate the } 3^{\text {nd }} \text { quartile, } 6^{\text {th }} \text { decile and } 70^{\text {th }} \text { perecntile for the following data. } \\ 28,17,12,25,26,19,13,27,21,16\end{array} \\ \text { c) Find } \mathrm{Q}_{1}, \mathrm{D}_{3} \text { and } \mathrm{P}_{65} \text { from the given data: } 6,8,5,10,4,15,16,3\end{array} \) 11. 2015-жылы ЖРТ тапшыргандардын саны 2010-жылдагыларга салыштырмалуу \( 5 \% \) гг көбөйдү, ал эми 2020 -жылы тапшыргандардын саны 2015 -жылдагыларга салыштырмалуу \( 5 \% \) га көбөйдү. 10 жыл ичинде ЖРТ тапшыргандардын саны канча пайызга кобөйгөн? А) \( 10 \% \) га Б) \( 10,25 \% \) га В) \( 10,5 \% \) га Г) \( 10,75 \% \) га Д) \( 11 \% \) га
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