Hindi, asked by vikpfizer, 21 hours ago

Find Mean :



Weight of kids (in Kg) 36-40 40-44 44-48 48-52 52-56 56-60 60-64 64-68

Number of Kids 2 3 5 8 7 6 5 4​

Answers

Answered by oODivineGirlOo
0

Answer:

Mean=∑fi∑fixi=603312=55.2Mode=l+(2f1−f0−f2f1−f0)×h=52+(28−10−1014−10)×4=52+84×4=54Ans.

Answered by MoonBlaze
0

Answer:

Weight</p><p></p><p>Number of students</p><p></p><p>xi </p><p></p><p>fixi </p><p></p><p>40-44</p><p></p><p>4</p><p></p><p>42</p><p></p><p>168</p><p></p><p>44-48</p><p></p><p>6</p><p></p><p>46</p><p></p><p>276</p><p></p><p>48-52</p><p></p><p>10</p><p></p><p>50</p><p></p><p>500</p><p></p><p>52-56</p><p></p><p>14</p><p></p><p>54</p><p></p><p>756</p><p></p><p>56-60</p><p></p><p>10</p><p></p><p>58</p><p></p><p>580</p><p></p><p>60-64</p><p></p><p>8</p><p></p><p>62</p><p></p><p>496</p><p></p><p>64-68</p><p></p><p>6</p><p></p><p>66</p><p></p><p>396</p><p></p><p>68-72</p><p></p><p>2</p><p></p><p>70</p><p></p><p>140</p><p></p><p> </p><p></p><p>∑fi=60</p><p></p><p> </p><p></p><p>∑fixi=3312</p><p></p><p>Mean=∑fi∑fixi=603312=55.2Mode=l+(2f1−f0−f2f1−f0)×h=52+(28−10−1014−10)×4=52+84×4=54Ans.

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