{"id":28927,"date":"2021-07-14T18:40:59","date_gmt":"2021-07-14T13:10:59","guid":{"rendered":"https:\/\/mcq-questions.com\/?p=28927"},"modified":"2022-03-02T10:30:05","modified_gmt":"2022-03-02T05:00:05","slug":"ncert-solutions-for-class-10-maths-chapter-14-ex-14-1","status":"publish","type":"post","link":"https:\/\/mcq-questions.com\/ncert-solutions-for-class-10-maths-chapter-14-ex-14-1\/","title":{"rendered":"NCERT Solutions for Class 10 Maths Chapter 14 Statistics Ex 14.1"},"content":{"rendered":"

These NCERT Solutions for Class 10 Maths<\/a> Chapter 14 Statistics Ex 14.1 Questions and Answers are prepared by our highly skilled subject experts.<\/p>\n

NCERT Solutions for Class 10 Maths Chapter 14 Statistics Exercise 14.1<\/h2>\n

\"NCERT<\/p>\n

Question 1.
\nA survey was conducted by a group of students as a part of their environment awareness programme, in which they collected the following data regarding the number of plants in 20 houses in a locality. Find the mean number of plants per house.
\n\"NCERT
\nWhich method did you use for finding the mean, and why?
\nSolution:
\n\"NCERT
\nSince the values of xi<\/sub> and fi<\/sub> are small, so we have used direct method to find the mean.<\/p>\n

Question 2.
\nConsider the following distribution of daily wages of 50 workers of a factory.
\n\"NCERT
\nFind the mean daily wages of the workers of the factory by using an appropriate method.
\nSolution:
\nHere h = 20
\n\"NCERT<\/p>\n

\"NCERT<\/p>\n

Question 3.
\nThe following distribution shows the daily pocket allowance of children of a locality. The mean pocket allowance is \u20b9 18. Find the missing frequency f.
\n\"NCERT
\nSolution:
\n\"NCERT<\/p>\n

Question 4.
\nThirty women were examined in a hospital by a doctor and the number of heart beats per minute were recorded and summarised as follows. Find the mean heart beats per minute for these women, choosing a suitable method.
\n\"NCERT
\nSolution:
\n\"NCERT<\/p>\n

\"NCERT<\/p>\n

Question 5.
\nIn a retail market, fruit vendors were selling mangoes kept in packing boxes. These boxes contained varying number of mangoes. The following was the distribution of mangoes according to the number of boxes.
\n\"NCERT
\nFind the mean number of mangoes kept in a packing box. Which method of finding the mean did you choose?
\nSolution:
\n\"NCERT
\n\u2234 The mean number of mangoes kept in packing box is 57.19
\nWe have used direct method because the numerical values of xi<\/sub> and fi<\/sub> are small.<\/p>\n

Question 6.
\nThe table below shows the daily expenditure on food of 25 households in a locality.
\n\"NCERT
\nFind the mean daily expenditure on food by a suitable method.
\nSolution:
\n\"NCERT<\/p>\n

Question 7.
\nTo find out the concentration of SO2<\/sub> in the air (in parts per million, i.e. ppm), the data was collected for 30 localities in a certain city and is presented below:
\n\"NCERT
\nFind the mean concentration of SO2<\/sub> in the air.
\nSolution:
\nHere h = 0.04
\n\"NCERT<\/p>\n

\"NCERT<\/p>\n

Question 8.
\nA class teacher has the following absentee record of 40 students of a class for the whole term. Find the mean number of days a student was absent.
\n\"NCERT
\nSolution:
\n\"NCERT<\/p>\n

Question 9.
\nThe following table gives the literacy rate (in percentage) of 35 cities. Find the mean literacy rate.
\n\"NCERT
\nSolution:
\nHere h = 10
\n\"NCERT<\/p>\n","protected":false},"excerpt":{"rendered":"

These NCERT Solutions for Class 10 Maths Chapter 14 Statistics Ex 14.1 Questions and Answers are prepared by our highly skilled subject experts. NCERT Solutions for Class 10 Maths Chapter 14 Statistics Exercise 14.1 Question 1. A survey was conducted by a group of students as a part of their environment awareness programme, in which …<\/p>\n

NCERT Solutions for Class 10 Maths Chapter 14 Statistics Ex 14.1<\/span> Read More »<\/a><\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","spay_email":""},"categories":[2],"tags":[],"yoast_head":"\nNCERT Solutions for Class 10 Maths Chapter 14 Statistics Ex 14.1 - MCQ Questions<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/mcq-questions.com\/ncert-solutions-for-class-10-maths-chapter-14-ex-14-1\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"NCERT Solutions for Class 10 Maths Chapter 14 Statistics Ex 14.1 - MCQ Questions\" \/>\n<meta property=\"og:description\" content=\"These NCERT Solutions for Class 10 Maths Chapter 14 Statistics Ex 14.1 Questions and Answers are prepared by our highly skilled subject experts. 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